IUC AcademyHome161. Rohit multiply a number by 2 instead of dividing the number by 2. Resultant number is what percentage of the correct value?
- A. 200%
- B. 300%
- C. 50%
- D. 400%
Answer: 400%
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162. If X is 80% more than Y, then Y is how much percentage less than X?
- A. 61.33 %
- B. 80 %
- C. 33.3 %
- D. 44.44 %
Answer: 44.44 %
163. A is 20% less than B. B is 10% less than C. C is 30% more than D. If D is 400, then what is the value of A?
- A. 374.4
- B. 368.6
- C. 382.2
- D. 354.2
Answer: 374.4
164. What is the value of 12.5% of 30% of 1440?
- A. 64
- B. 44
- C. 50
- D. 54
Answer: 54
Explanation: According to the question, ⇒ 30 1251440× 100 1000× ⇒ 3×125144× 541000 =
Explanation: According to the question, ⇒ 30 1251440× 100 1000× ⇒ 3×125144× 541000 =
165. Two numbers are greater than the third number by 80% and 35% respectively. What is the ratio of two numbers?
- A. 4 : 3
- B. 17 : 6
- C. 8 : 5
- D. 8 : 3
Answer: 4 : 3
Explanation: Let the third number = 100 Then, The First number = 180 The Second number = 135 The First number : Second number = 180 : 135 = 4 : 3
Explanation: Let the third number = 100 Then, The First number = 180 The Second number = 135 The First number : Second number = 180 : 135 = 4 : 3
166. An examination was conducted for five papers where the maximum marks for each paper was 100. X obtained 82, 97, 88, 91 respectively in four subjects. If his total marks were 90% then how much marks he obtained in fifth subject?
- A. 92
- B. 94
- C. 89
- D. 79
Answer: 92
Explanation: Total marks of the examination= 5 × 100 = 500 Total score of the exam = 90500 450100× = According to the question, Let the marks obtained in the fifth (5 th) subject = x ∴ x + 82 + 97 + 88 + 91 = 450 x + 358 = 450 x = (450 - 358) x = 92 So He got 92 marks in the fifth subject
Explanation: Total marks of the examination= 5 × 100 = 500 Total score of the exam = 90500 450100× = According to the question, Let the marks obtained in the fifth (5 th) subject = x ∴ x + 82 + 97 + 88 + 91 = 450 x + 358 = 450 x = (450 - 358) x = 92 So He got 92 marks in the fifth subject
167. A is 20% more than B. B is 25% more than C. C is less than A (in percentage)?
- A. 33.33%
- B. 37.5%
- C. 50%
- D. 66.66%
Answer: 33.33%
168. 12.5% of A = 55. What is the value of A ?
- A. 480
- B. 500
- C. 440
- D. 550
Answer: 440
169. If 60% of a number is equal to 3/7 of another number, then what is the ratio of the two numbers?
- A. 4 : 5
- B. 5 : 8
- C. 5 : 7
- D. 1 : 2
Answer: 5 : 7
170. What is the difference between 0.9 and 0.9%?
- A. 0.981
- B. 0.891
- C. 0.198
- D. 8.91
Answer: 0.891
Explanation: Required difference 0.90.9 -100= = 0.9 - 0.009 = 0.900 - 0.009 = 0.891
Explanation: Required difference 0.90.9 -100= = 0.9 - 0.009 = 0.900 - 0.009 = 0.891
171. The ratio of the number of rural and urban workers (includes men and women only) in an office is 3:2. If 20% of rural and 25% of urban are women, the percentage of men is
- A. 67.50%
- B. 82.50%
- C. 78%
- D. 58%
Answer: 78%
Explanation: Let, Total Number of workers = 100, Number of men = 48 + 30 = 78 Required Percentage 100 78/100%= × 78%=
Explanation: Let, Total Number of workers = 100, Number of men = 48 + 30 = 78 Required Percentage 100 78/100%= × 78%=
172. If 40% of x equal 50% of y, then y : x is
- A. 4 : 5
- B. 3 : 2
- C. 2 : 3
- D. 5 : 4
Answer: 4 : 5
173. Amar, Bhavan, Chetan and Dinesh have a total of ₹150 with them, Amar has one-fourth of the total amount with the other. The amount with Amar (in ₹) is
- A. 37.5
- B. 30
- C. 25
- D. 20
Answer: 30
174. A is 25% more than B while B is 20% less than C and C is 10% more than D. Which of the following is not true?
- A. B is 22% less than A
- B. A is 10% more than D
- C. B is 12% less than D
- D. A = C
Answer: B is 22% less than A
175. What percent of 5.6 kg is 140 gram?
- A. 2.5
- B. 1.8
- C. 2
- D. 1.5
Answer: 2.5
176. 60% of a number is 168, then what is the number
- A. 280
- B. 320
- C. 240
- D. 200
Answer: 280
177. 320 is how much percentage less than 400?
- A. 20%
- B. 18%
- C. 12%
- D. 15%
Answer: 20%
Explanation: Percentage decrease 400 320 100400-= × 80 20%4= =
Explanation: Percentage decrease 400 320 100400-= × 80 20%4= =
178. A is 40% more than B and B is 60% less than C. If C is 60% more than D, then which of the following is true?
- A. C is 60% more than B
- B. A is 54% less than C
- C. B is 36% less than D
- D. D is 10.4% more than A
Answer: B is 36% less than D
179. If two-fifth of a certain number's 40% is 24. Then number is?
- A. 136
- B. 148
- C. 150
- D. 154
Answer: 150
180. 32240 is how much percent of 62000 ?
- A. 46%
- B. 42%
- C. 48%
- D. 52%
Answer: 52%
Explanation: Required Percentage 32240 10062000= × 32240 52%620= =
Explanation: Required Percentage 32240 10062000= × 32240 52%620= =
181. 2898 is how much percent of 12600 ?
- A. 19%
- B. 21%
- C. 23%
- D. 27%
Answer: 23%
182. If one-third of a number is 35, then what will be the 64% of that number?
- A. 67.2
- B. 70.8
- C. 61.4
- D. 72.6
Answer: 67.2
Explanation: (a) Let the number be x. 1x 353× = x = 105 64% of number = 64105 67.2100× =
Explanation: (a) Let the number be x. 1x 353× = x = 105 64% of number = 64105 67.2100× =
183. When 30 is subtracted from 45% of a number, the result is 150. What is the value of the number?
- A. 400
- B. 300
- C. 600
- D. 800
Answer: 400
Explanation: (a) Let the number be x. x × 45% - 30 = 150 45x 150 30100× = + 45x 180100× = 180 100x 40045×= = Hence required number = 400
Explanation: (a) Let the number be x. x × 45% - 30 = 150 45x 150 30100× = + 45x 180100× = 180 100x 40045×= = Hence required number = 400
184. If one-third of a number is 75, then what will be the 80% of that number?
- A. 180
- B. 240
- C. 270
- D. 360
Answer: 180
Explanation: Let the number be x. According to the question, 1x 753× = x = 225 ∴ 80³ of x - 80225 9 20 180100× = × =
Explanation: Let the number be x. According to the question, 1x 753× = x = 225 ∴ 80³ of x - 80225 9 20 180100× = × =
185. When 120 is subtracted from 70% of a number, the result is 90. What is the value of the number?
- A. 300
- B. 280
- C. 450
- D. 270
Answer: 300
Explanation: Let the number be x According to the question, 70x 120 90100× - = 70x 12000 90100- = 70x = 9000 + 12000 70x = 21000 So that number (x) = 300
Explanation: Let the number be x According to the question, 70x 120 90100× - = 70x 12000 90100- = 70x = 9000 + 12000 70x = 21000 So that number (x) = 300
186. What is the value of 20% of 30% of 1200?
- A. 36
- B. 72
- C. 108
- D. 144
Answer: 72
187. In a school 55% of the students are girls. If number of boys is 360, then what is the total number of students in the school?
- A. 720
- B. 800
- C. 1000
- D. 1200
Answer: 800
Explanation: Percentage of girls in school = 55% Hence percentage of boys = (100-55) = 45³ Given- 45³ = 360 1³ = 360/45 ∴100³ Total student= 360 10045 × = 8×100 = 800
Explanation: Percentage of girls in school = 55% Hence percentage of boys = (100-55) = 45³ Given- 45³ = 360 1³ = 360/45 ∴100³ Total student= 360 10045 × = 8×100 = 800
188. If One-third of a number is 125, then what will be the 64% of that number?
- A. 240
- B. 360
- C. 480
- D. 180
Answer: 240
189. The value of 18% of 15% of 259 of 3800 is
- A. 583
- B. 385
- C. 582
- D. 285
Answer: 285
190. A shopkeeper has certain number of apples of which 10% are found to be rotten. He sells 85% of the remaining good apples and still has 405 good apples. How many apples did he originally have?
- A. 3000
- B. 3500
- C. 2500
- D. 2000
Answer: 3000
191. If a% of 240 is c and c% of a is 117.6, then t he value of a + c is
- A. 260
- B. 196
- C. 238
- D. 144
Answer: 238
192. In a test consisting of 120 questions, Anuradha answered 65% of the first 60 questions correctly. What percentage of the remaining questions does she need to answer correctly to score 75% in the test?
- A. 80
- B. 90
- C. 84
- D. 85
Answer: 85
Explanation: 75% of 120 question = 75120 100× = 90 question 65% of 60 question = 6560 100× = 39 question Remaining correct answer = 90 - 39 = 51 No. of remaining question = 120 - 60 = 60 ∴ Required % = 51 10060 × = 85%
Explanation: 75% of 120 question = 75120 100× = 90 question 65% of 60 question = 6560 100× = 39 question Remaining correct answer = 90 - 39 = 51 No. of remaining question = 120 - 60 = 60 ∴ Required % = 51 10060 × = 85%
193. Two numbers are respectively 25% and 65% more than a third number. The ratio of the two numbers is
- A. 25 : 33
- B. 16 : 17
- C. 16 : 19
- D. 25 : 42
Answer: 25 : 33
Explanation: First No. : Second No. : Third No. 125 : 165 : 100 25 : 33 : 20 Hence ratio of both number = 25 : 33
Explanation: First No. : Second No. : Third No. 125 : 165 : 100 25 : 33 : 20 Hence ratio of both number = 25 : 33
194. Kavita's attendance in her school for the academic session 2018-2019 was 216 days. On computing her attendance, it was observed that her attendance was 90%. The total working days of the school were
- A. 250
- B. 240
- C. 195
- D. 194
Answer: 240
Explanation: Given, Kavita's attendance at her school (in day) = 216 da ys Kavita's attendance at her school (in%) = 90% ∵ 90% = 216 ∴ 1% = 21690 ∴ 100% = 216 10090 × = 240 Hence, total number of working day of the school = 240
Explanation: Given, Kavita's attendance at her school (in day) = 216 da ys Kavita's attendance at her school (in%) = 90% ∵ 90% = 216 ∴ 1% = 21690 ∴ 100% = 216 10090 × = 240 Hence, total number of working day of the school = 240
195. A runner is running at a speed of 40 km/h. If he runs at a speed of 30 km/h, then what will the decrease in the percentage of his speed be?
- A. 30%
- B. 20%
- C. 15%
- D. 25%
Answer: 25%
Explanation: Decrease in speed of runner = 40 - 30 = 10 km/h ∴ Percentage decrease in speed = 10 10040 × = 25%
Explanation: Decrease in speed of runner = 40 - 30 = 10 km/h ∴ Percentage decrease in speed = 10 10040 × = 25%
196. If 22% of x = 30% of y, then y : x is equal to
- A. 17 : 16
- B. 11 : 15
- C. 15 : 14
- D. 15 : 11
Answer: 11 : 15
197. A man purchased a car for ₹12 Lakhs and was insured for 80% of the cost. He sold the car at a 15% loss, but had not yet delivered it to the buyer when he met with an accident. After the accident, the car was damaged a lot and the insurance company paid 90% of the insured amount. The net difference in the two transactions is
- A. ₹1.38 lakhs
- B. ₹92 lakhs
- C. ₹1.56 lakhs
- D. ₹88 lakhs
Answer: ₹1.56 lakhs
Explanation: The person bought the car for 12 lakhs and got it insured for 80% of its cost. Sum insured = 1200000× 80100 =960000 Loss of 15% = 1200000× 15 180000100 = Hence, he sold the car for 1020000. Insurance company paid 90% of the insured amount. = 960000× 90100 =864000 paid Net difference in both transaction = 1020000 - 8640 00 = 156000 = 1.56 lakh
Explanation: The person bought the car for 12 lakhs and got it insured for 80% of its cost. Sum insured = 1200000× 80100 =960000 Loss of 15% = 1200000× 15 180000100 = Hence, he sold the car for 1020000. Insurance company paid 90% of the insured amount. = 960000× 90100 =864000 paid Net difference in both transaction = 1020000 - 8640 00 = 156000 = 1.56 lakh
198. 2000 employees are assigned to complete a project. At the end of the first year, 15% of the number of employees are decreased and at the end of the second year again 10% of the number of employees are decreased. However, to complete the project in time, the number of employess are increased by 10% at the end of third year. What was the number of employees working during the fourth year?
- A. 1786
- B. 1683
- C. 1783
- D. 1685
Answer: 1683
199. Two numbers A and B are, respectively, 80% and 20% more than a third number C. The ratio of the numbers A to B is
- A. 5:4
- B. 4:5
- C. 3:2
- D. 3:4
Answer: 3:2
Explanation: Let the third number C is 100. According to the question, A : B : C 180 : 120 : 100 A : B 180 : 120 A : B = 3 : 2
Explanation: Let the third number C is 100. According to the question, A : B : C 180 : 120 : 100 A : B 180 : 120 A : B = 3 : 2
200. A crate of fruits contains one spoiled fruit f or every 25 fruits. 60% of the spoiled fruits were sold. If the seller had sold 48 spoiled fruits, then the number of fruits in the crate were
- A. 2400
- B. 1200
- C. 300
- D. 2000
Answer: 2000
Explanation: 60³ = 48 5³ = 4 100³ = 80 Total spoiled fruits = 80 Hence, Number of total fruits = 25 × 80 = 2000
Explanation: 60³ = 48 5³ = 4 100³ = 80 Total spoiled fruits = 80 Hence, Number of total fruits = 25 × 80 = 2000
201. A student multiplied a number with 34 instead of 43 . What is the error percentage?
- A. 43.75%
- B. 67.45%
- C. 59.67%
- D. 39.34%
Answer: 43.75%
Explanation: Let number is = 12 Percentage error 16 9 10016-= × 7 10016= × 43.75%=
Explanation: Let number is = 12 Percentage error 16 9 10016-= × 7 10016= × 43.75%=
202. In a class, if 60% of the students are boys an d the number of girls is 36, then the number of boys is
- A. 58
- B. 65
- C. 60
- D. 54
Answer: 54
Explanation: Given, The percentage of boy in class = 60% Then, The percentage of girls in class = 100 - 60 = 40% As per question, ∵ 40% of total student = 36 ∴ 1% of total student 36 40 = ∴ Total number of boys = 60% of total student 36 60 5440= × =
Explanation: Given, The percentage of boy in class = 60% Then, The percentage of girls in class = 100 - 60 = 40% As per question, ∵ 40% of total student = 36 ∴ 1% of total student 36 40 = ∴ Total number of boys = 60% of total student 36 60 5440= × =
203. 68 is 25% of which of the following numbers?
- A. 272
- B. 204
- C. 285
- D. 136
Answer: 272
Explanation: Let the number is x. ∴∴ ∴∴ 25x 68100× = x = 68×4 = 272
Explanation: Let the number is x. ∴∴ ∴∴ 25x 68100× = x = 68×4 = 272
204. The difference between two positive numbers is equal to 30% of the greater number. If the smaller number is 28, then the sum of both the numbers is
- A. 72
- B. 65
- C. 68
- D. 64
Answer: 68
Explanation: Let greater positive number is = x According to the question, (x-28) = 30x 100× 10x - 280 = 3x 7x = 280 ⇒ x = 40 then, sum of both number = (40+28) = 68
Explanation: Let greater positive number is = x According to the question, (x-28) = 30x 100× 10x - 280 = 3x 7x = 280 ⇒ x = 40 then, sum of both number = (40+28) = 68
205. The difference between a number and one- third of that number is 228. What is 20% of that number?
- A. 72.5
- B. 68.4
- C. 58.9
- D. 61.8
Answer: 68.4
Explanation: Number = 300 unit (300 - 100) unit = 228 200 unit = 228 300 unit = 114 × 3 300 unit of 20% 1114 3 68.4 5 = × × =
Explanation: Number = 300 unit (300 - 100) unit = 228 200 unit = 228 300 unit = 114 × 3 300 unit of 20% 1114 3 68.4 5 = × × =
206. If the x% of y is 150 and y% of z is 300 then. What is the relation between x and z ?
- A. z = x/2
- B. z = x
- C. z = 2x
- D. z = x/3
Answer: z = 2x
207. If the numerator of a fraction is increased by 60% and the denominator is increased by 40% then the resultant fraction is 1663 . The original fraction is
- A. 59
- B. 49
- C. 29
- D. 211
Answer: 29
208. If decreasing 110 by x% gives the same result as increasing 50 by x%, then x% of 650 is what percentage (correct to the nearest integer) more than (x-10)% of 780?
- A. 12%
- B. 14%
- C. 17%
- D. 18%
Answer: 14%
209. If 25% of 400 + 35% of 1260 + 27% of 1800 = 1020+x, then the value of x lies between
- A. 11 to 15
- B. 6 to 10
- C. 16 to 20
- D. 0 to 5
Answer: 6 to 10
210. The monthly salary of a person was ₹50,000. He used to spend on Family expenses (E), Taxes (T), Charity (C), and the rest were his savings. E was 60% of the income, T was 20% of E, and C was 15% of T. When his salary got raised by 40%, he maintained the percentage level of E, but T becomes 30% of E and C becomes 20% of T. The difference between the two savings (in ₹) is
- A. 128
- B. 220
- C. 130
- D. 250
Answer: 220
211. If decreasing 110 by x% gives the same result as increasing 50 by x%, then x% of 650 is what percentage more than (x+20) % of 180 ? (Correct to nearest integer)
- A. 80%
- B. 154%
- C. 136%
- D. 90%
Answer: 136%
212. If 49% of X = Y, then Y% of 50 is
- A. 40% of Y/ X of 50%
- B. 24.5% of X/ X of 24.5%
- C. 40% of Y/ Y of 40%
- D. 24.5 of Y/ Y of 24.5%
Answer: 24.5% of X/ X of 24.5%
213. A class has five sections that have 25, 30, 40 , 45 and 60 students, respectively. The pass percentage of these sections are 20%, 30%, 35%, 40% and 100%, respectively. The pass percentage of the entire class is
- A. 79%
- B. 63%
- C. 87%
- D. 53%
Answer: 53%
214. Two numbers are 50% and 75% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number ?
- A. 50
- B. 25
- C. 75
- D. 100
Answer: 100
Explanation: Let the third number c = 100 First number and Second number are 50% and 75% lesser than a third number. a b c 50 25 100 Required Increase % = 25 100 100%25 × =
Explanation: Let the third number c = 100 First number and Second number are 50% and 75% lesser than a third number. a b c 50 25 100 Required Increase % = 25 100 100%25 × =
215. When a number is increased by 20, it becomes 116% of itself. What is the number?
- A. 100
- B. 250
- C. 125
- D. 400
Answer: 125
Explanation: Let the number is x- According to question, x + 20 = 116x 100× 16 x = 2000 x = 125
Explanation: Let the number is x- According to question, x + 20 = 116x 100× 16 x = 2000 x = 125
216. 0.09% of 25% of 1200 is equal to ........
- A. 0.27
- B. 2.7
- C. 27
- D. 270
Answer: 0.27
217. In an examination, A obtained 10% more marks than B, B obtained 20% more marks than C and C obtained 32% less marks than D. If A obtained 272 more marks than C, then the marks obtained by B is
- A. 850
- B. 1020
- C. 816
- D. 952
Answer: 1020
218. If A is 28% more than B and C is 25% less than the sum of A and B, then by what percent will C be more than A (correct to one decimal place)?
- A. 32.2%
- B. 28%
- C. 43%
- D. 33.6%
Answer: 33.6%
219. A is 25% more than B and B is 40% less than C. If C is 30% more than D, then by what percent is A less than D ?
- A. 2.5
- B. 4
- C. 1.5
- D. 5
Answer: 2.5
220. A man's annual income has increased by Rs. 5 lakhs but the tax on income that he has to pay has reduced from 12% to 10%. He now pays Rs. 10,000 more income tax. What is his increased income (in Rs. lakhs)?
- A. 20
- B. 25
- C. 15
- D. 10
Answer: 25
221. 5% of a = b, then b% of 20 is the same as ____.
- A. 20% of a/2
- B. 50% of a/20
- C. 50% of a/2
- D. 20% of a/20
Answer: 20% of a/20
Explanation: a of 5% = b 5a b100× = a 20b = 20 of b% = ab of b% a b 20 b 100 20= × × a 20 20 100= × a= 20% of 20
Explanation: a of 5% = b 5a b100× = a 20b = 20 of b% = ab of b% a b 20 b 100 20= × × a 20 20 100= × a= 20% of 20
222. When a number is increased by 40, it becomes 125% of itself. What is the number?
- A. 200
- B. 60
- C. 160
- D. 100
Answer: 160
223. 0.02 of 150% of 600 is
- A. 0.18
- B. 1.8
- C. 18
- D. 0.018
Answer: 0.18
Explanation: 600 of 150% of 0.02% 150 0.02600 100 100= × × = 0.18
Explanation: 600 of 150% of 0.02% 150 0.02600 100 100= × × = 0.18
224. A man's annual income has increased by Rs. 2 lakhs but the tax on income that he has to pay has reduced from 20% to 16%. He now pays the same amount of tax as before. What is his increased income (in Rs. lakhs) ?
- A. 8
- B. 10
- C. 12
- D. 6
Answer: 10
225. 150% of 0.05% of x is 75. Find x.
- A. 1,00,000
- B. 75000
- C. 1,25,000
- D. 1,50,000
Answer: 1,00,000
226. 250% of a = b, then b% of 250 is the same as a% of .......
- A. 625
- B. 1000
- C. 100
- D. 6250
Answer: 625
Explanation: a of 250% = b Then, 250 of b% b250 100= × a 250250 100 100×= × × a= 625× = a% of 625100
Explanation: a of 250% = b Then, 250 of b% b250 100= × a 250250 100 100×= × × a= 625× = a% of 625100
227. A man's annual income has increased by Rs 1.2 lakhs but the tax on income that he has to pay has reduced from 12% to 10%. He now pays the same amount of tax as before. What is his increased income ( in Rs lakh)?
- A. 8.4
- B. 7.2
- C. 9.6
- D. 6
Answer: 7.2
Explanation: Let Annual income of a man = x lakh According to the question 10(x 1.2) 100+ × = 12x 100× 10x + 12 = 12x x = 6 lakh Hence Increase income of a man = ₹ (6+1.2) lakh = ₹ 7.2 lakh
Explanation: Let Annual income of a man = x lakh According to the question 10(x 1.2) 100+ × = 12x 100× 10x + 12 = 12x x = 6 lakh Hence Increase income of a man = ₹ (6+1.2) lakh = ₹ 7.2 lakh
228. 2% of a = b, then b% of 10 is the same
- A. 200% of a
- B. 20% of a/100
- C. 20% of a/10
- D. 200% of a/10
Answer: 20% of a/100
Explanation: According to the question, 2a 100× = b b = a50 then , 10 of b% = a 110 50 100× × = a 1100 5× = 20% of a100
Explanation: According to the question, 2a 100× = b b = a50 then , 10 of b% = a 110 50 100× × = a 1100 5× = 20% of a100
229. Two numbers are 40% and 80% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number ?
- A. 100
- B. 33.3
- C. 66.6
- D. 200
Answer: 200
Explanation: Let the third number is 100. Then as per question, The First number = 100 - 40 = 60 The Second number = 100 - 80 = 20 Increment in the second number for a value is equal to first number = 60 - 20 Increment percent 60 20 10020- )(= × = 200
Explanation: Let the third number is 100. Then as per question, The First number = 100 - 40 = 60 The Second number = 100 - 80 = 20 Increment in the second number for a value is equal to first number = 60 - 20 Increment percent 60 20 10020- )(= × = 200
230. When a number is increased by 24, it becomes 115% of itself. What is the number ?
- A. 160
- B. 250
- C. 100
- D. 200
Answer: 160
Explanation: Let number is x. According to the question- x 115x 24 100×+ = 20x + 480 = 23x 3x = 480 x 160=
Explanation: Let number is x. According to the question- x 115x 24 100×+ = 20x + 480 = 23x 3x = 480 x 160=
231. 0.08% of 120% of 50,000 is equal to ........
- A. 480
- B. 48
- C. 4800
- D. 4.8
Answer: 48
Explanation: According to the question, 50000 of 120% of 0.08% 120 0.0850000 100 100= × × 65 85= × × = 48
Explanation: According to the question, 50000 of 120% of 0.08% 120 0.0850000 100 100= × × 65 85= × × = 48
232. The price of cooking oil increased by 25%. Find by how much percentage a family must reduce its consumption in order to maintain the same budget?
- A. 70%
- B. 20%
- C. 30%
- D. 80%
Answer: 20%
233. By what number must the given number be multiplied to increase the number by 25%.
- A. 3
- B. 34
- C. 54
- D. 25
Answer: 54
Explanation: Let number = x New number 125 5x x100 4= × = ∴ Must be multiplied by 54
Explanation: Let number = x New number 125 5x x100 4= × = ∴ Must be multiplied by 54
234. In an examination in which the full marks were 500, A scored 25% more marks than B, B scored 60% more marks than C and C scored 20% less marks than D. If A scored 80% marks, then the percentage of marks obtained by D is
- A. 65%
- B. 54%
- C. 50%
- D. 60%
Answer: 50%
Explanation: Full mark → A B C D 160 : 128 : 80 : 100 Q160→ 80% 1 → 1 %2 100 → 50%
Explanation: Full mark → A B C D 160 : 128 : 80 : 100 Q160→ 80% 1 → 1 %2 100 → 50%
235. If the Difference between 62% and 80% of a numbers is 198, then the difference between 92% and 56% of the number will be
- A. 1100
- B. 360
- C. 3564
- D. 396
Answer: 396
236. If 50% of a number is added to 75, the obtained result is the same number, the number is
- A. 400
- B. 100
- C. 250
- D. 150
Answer: 150
237. The income of A is 40% more than that of B. If A got a 25% rise in his income and B got a 40% rise in his income, then the percentage increase in the combined incomes of A and B is
- A. 28.25
- B. 34.5
- C. 24.5
- D. 31.25
Answer: 31.25
238. A is 20% less than B and C is 30% more than D. If D is 25% less than A, then which of the following is true?
- A. C = 0.39B
- B. B = 0.78C
- C. B = 0.39C
- D. C = 0.78B
Answer: C = 0.78B
Explanation: 80 4BA B 100 5= × = 130 13DC D 100 10= × = 75 3AD A 100 4= × = thus its clear, that 5A = 4B or 15A = 12B ..............(i) 10C = 13D ..............(ii) 4D = 3A or 20D = 15A ..............(iii) From equation (i) and (iii) 15A 12B 20D= = Solving the equation (ii), 10D C13= 12B 20D=Q 1012B 20 C13∴ = × 12 13 BC 200× ×= C 0.78B= (On balancing the ratio from below) Trick : A : B = ( 4 : 5) ×10 D : A = (3 : 4) × 10 C : D = (13 : 10) × 3 A : B : C : D = 40 : 35 : 39 : 30 C 39 B 50 C 0.78B. = =
Explanation: 80 4BA B 100 5= × = 130 13DC D 100 10= × = 75 3AD A 100 4= × = thus its clear, that 5A = 4B or 15A = 12B ..............(i) 10C = 13D ..............(ii) 4D = 3A or 20D = 15A ..............(iii) From equation (i) and (iii) 15A 12B 20D= = Solving the equation (ii), 10D C13= 12B 20D=Q 1012B 20 C13∴ = × 12 13 BC 200× ×= C 0.78B= (On balancing the ratio from below) Trick : A : B = ( 4 : 5) ×10 D : A = (3 : 4) × 10 C : D = (13 : 10) × 3 A : B : C : D = 40 : 35 : 39 : 30 C 39 B 50 C 0.78B. = =
239. A is 20% less than B while C is 20% more than D. If D is 25% less than A, then which of the following is true?
- A. C = 0.72 B
- B. B = 0.675 C
- C. C = 0.675 B
- D. B = 0.72 C
Answer: C = 0.72 B
240. The income of A is 25% more than that of B and the income of C is 65% less than the sum of the incomes of A and B. Income of C is what percent less than the income of A?
- A. 37
- B. 35
- C. 28
- D. 32
Answer: 37
Explanation: According to the question, Income of C is 65% less then (A + B) income. Income of C 35900 100= × = 315 Income of C is less than A 500 315 100500-= × 1855= = 37%
Explanation: According to the question, Income of C is 65% less then (A + B) income. Income of C 35900 100= × = 315 Income of C is less than A 500 315 100500-= × 1855= = 37%