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161. Select the number from among the given options that can replace the question mark (?) in the following series. 8, 8, 11, 11, 14, 14, ?
- A. 22
- B. 14
- C. 18
- D. 17
Answer: 17
Explanation: Following the sequential progression rule of the given series, option (d) '17' correctly replaces the question mark (?).
162. Select the number that can replace the question mark (?) in the following series. 14, 29, 60, 123, ? , 505
- A. 305
- B. 250
- C. 280
- D. 150
Answer: 250
Explanation: Following the sequential progression rule of the given series, option (c) '280' correctly replaces the question mark (?).
163. Select the number that can replace the question mark (?) in the following series. 63, 63, 56, 56, 49, 49, 42, ?
- A. 42
- B. 35
- C. 30
- D. 27
Answer: 42
Explanation: Following the sequential progression rule of the given series, option (d) '27' correctly replaces the question mark (?).
164. Select the number that can replace the question mark (?) in the following series. 35, 35, 33, 99, 95, 475, ?
- A. 481
- B. 501
- C. 476
- D. 469
Answer: 469
Explanation: Following the sequential progression rule of the given series, option (d) '469' correctly replaces the question mark (?).
165. Select the number from among the given options that can replace the question mark(?) in the following series. 52, ?, 113, 162, 226, 307
- A. 70
- B. 77
- C. 89
- D. 83
Answer: 77
Explanation: Following the sequential progression rule of the given series, option (a) '70' correctly replaces the question mark (?).
166. Select the number from among the given options that can replace the question mark (?) in the following series. 12, 22, 40, 74, 140, ?
- A. 280
- B. 268
- C. 270
- D. 274
Answer: 270
Explanation: Following the sequential progression rule of the given series, option (c) '270' correctly replaces the question mark (?).
167. Select the number from among the given options that can replace the question mark (?) in the following series. 71, 56, 44, 35, 29, ?
- A. 26
- B. 20
- C. 29
- D. 23
Answer: 26
Explanation: First differences are [-15, -12, -9, -6] (increasing by +3 each step); next difference is -3, so 29 + (-3) = 26.
168. Select the number from among the given options that can replace the question mark (?) in the following series. 4, 5, 13, 22, 86, 111, ?
- A. 327
- B. 427
- C. 247
- D. 237
Answer: 327
Explanation: Following the sequential progression rule of the given series, option (c) '247' correctly replaces the question mark (?).
169. Select the number from among the given options that can replace the question mark (?) in the following series. 14, 16, 34, 104, 418, ?
- A. 2158
- B. 1894
- C. 1560
- D. 2092
Answer: 2092
Explanation: Following the sequential progression rule of the given series, option (c) '1560' correctly replaces the question mark (?).
170. Select the number from among the given options that can replace the question mark (?) in the following series. 3, 5, 15, 41, ?, 173
- A. 91
- B. 112
- C. 78
- D. 106
Answer: 91
Explanation: Following the sequential progression rule of the given series, option (d) '106' correctly replaces the question mark (?).
171. Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series. a_ _bcde_ _abbcd_ _aabb_ _ee
- A. aeaebecd
- B. aeecdbea
- C. abeaeecd
- D. abecdeae
Answer: abeaeecd
Explanation: Following the sequential progression rule of the given series, option (c) 'abeaeecd' correctly replaces the question mark (?).
172. Select the number from among the given options that can replace the question mark (?) in the following series. 3, 7, 13, 25, 47, 83, ?
- A. 273
- B. 173
- C. 137
- D. 237
Answer: 137
Explanation: Following the sequential progression rule of the given series, option (d) '237' correctly replaces the question mark (?).
173. Select the number from among the given options that can replace the question mark (?) in the following series. 33, 34, 30, 39, 23, 48, 12, ?
- A. 14
- B. 16
- C. 41
- D. 61
Answer: 61
Explanation: Following the sequential progression rule of the given series, option (c) '41' correctly replaces the question mark (?).
174. Select the number that can replace the question mark (?) in the following series. 14, 28, 31, 124, 129, ?
- A. 774
- B. 644
- C. 447
- D. 666
Answer: 774
Explanation: Following the sequential progression rule of the given series, option (a) '774' correctly replaces the question mark (?).
175. Select the number that can replace the question mark (?) in the following series. 45, 49, 57, ?, 105, 169
- A. 69
- B. 73
- C. 75
- D. 70
Answer: 73
Explanation: Following the sequential progression rule of the given series, option (a) '69' correctly replaces the question mark (?).
176. Select the number from among the given options that can replace the question mark (?) in the following series. 9, 10, 13, 24, 37, 66, 97, ?
- A. 125
- B. 152
- C. 215
- D. 251
Answer: 152
Explanation: Following the sequential progression rule of the given series, option (d) '251' correctly replaces the question mark (?).
177. Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series. l _ chtlgc _ tlg _ ht _ gc _ tlgch _
- A. ghclht
- B. ghchlt
- C. hhgclt
- D. hghclt
Answer: ghclht
Explanation: Following the sequential progression rule of the given series, option (c) 'hhgclt' correctly replaces the question mark (?).
178. Select the number that can replace the question mark (?) in the following series. 432, 413, 396, ? , 368, 357, 348
- A. 365
- B. 386
- C. 375
- D. 381
Answer: 381
Explanation: Following the sequential progression rule of the given series, option (d) '381' correctly replaces the question mark (?).
179. Select the number from among the given options that can replace the question mark (?) in the following series. 1, 6, 25, 76, ?, 154
- A. 134
- B. 123
- C. 153
- D. 164
Answer: 153
Explanation: Following the sequential progression rule of the given series, option (b) '123' correctly replaces the question mark (?).
180. Select the combination of letters that when sequentially placed in the gaps of the given letter series will complete the series. g_ ctd_ wpmz_pctdawp_zgpct_a_pmz
- A. pgdamw
- B. pagmdw
- C. pamgwd
- D. pgadmw
Answer: pagmdw
Explanation: Following the sequential progression rule of the given series, option (c) 'pamgwd' correctly replaces the question mark (?).
181. Select the number that can replace the question mark (?) in the following series. 23, 29, 31, 37, 41, 43, 47, ?
- A. 59
- B. 49
- C. 53
- D. 51
Answer: 53
Explanation: Following the sequential progression rule of the given series, option (a) '59' correctly replaces the question mark (?).
182. Select the number from among the given options that can replace the question mark (?) in the following series. 12, 15, 75, ?, 738, 749
- A. 90
- B. 82
- C. 259
- D. 155
Answer: 82
Explanation: Following the sequential progression rule of the given series, option (c) '259' correctly replaces the question mark (?).
183. Select the number from among the given options that can replace the question mark (?) in the following series. 1, 2, 6, 21, ?, 445
- A. 66
- B. 88
- C. 44
- D. 94
Answer: 88
Explanation: Following the sequential progression rule of the given series, option (c) '44' correctly replaces the question mark (?).
184. Select the number from among the given options that can replace the question mark (?) in the following series. 4, 7, 11, 17, 27, 45, ?
- A. 87
- B. 97
- C. 78
- D. 79
Answer: 79
Explanation: Following the sequential progression rule of the given series, option (b) '97' correctly replaces the question mark (?).
185. Select the number from among the given options that can replace the question mark (?) in the following series. 56, 56, 54, 162, 158, ?
- A. 268
- B. 790
- C. 830
- D. 456
Answer: 790
Explanation: Following the sequential progression rule of the given series, option (d) '456' correctly replaces the question mark (?).
186. Select the number from among the given options that can replace the question mark (?) in the following series. 10, 13, 19, 31, ?, 103
- A. 73
- B. 61
- C. 49
- D. 55
Answer: 55
Explanation: Following the sequential progression rule of the given series, option (c) '49' correctly replaces the question mark (?).
187. Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series. a _ _ gb _ _ acegb _ _ aceg _ _ _
- A. dfdfbcedf
- B. cedfdfbdf
- C. fdfbdfced
- D. cefbdfdfd
Answer: cedfdfbdf
Explanation: Following the sequential progression rule of the given series, option (b) 'cedfdfbdf' correctly replaces the question mark (?).
188. Which number will replace the question mark(?) in the following series. 5, 24, 61, 122, 213, ?
- A. 343
- B. 340
- C. 337
- D. 346
Answer: 340
Explanation: Following the sequential progression rule of the given series, option (b) '340' correctly replaces the question mark (?).
189. Which number will replace the question mark(?) in the following number series? 52, 42, 34, 28, ?
- A. 28
- B. 24
- C. 26
- D. 22
Answer: 24
Explanation: First differences are [-10, -8, -6] (increasing by +2 each step); next difference is -4, so 28 + (-4) = 24.
190. Which number will replace the question mark(?) in the following series? 124, 140, 128, 136, 132, ?
- A. 130
- B. 132
- C. 136
- D. 128
Answer: 132
Explanation: Following the sequential progression rule of the given series, option (d) '128' correctly replaces the question mark (?).
191. Which number will replace the question mark(?) in the following number series. 5, 17, 53, ? , 485
- A. 159
- B. 161
- C. 163
- D. 157
Answer: 161
Explanation: Following the sequential progression rule of the given series, option (b) '161' correctly replaces the question mark (?).
192. Which letter-cluster will replace the question mark(?) in the following series? SQO, LJH, ECA, ?
- A. XVT
- B. XUS
- C. YWV
- D. YWU
Answer: XVT
Explanation: In the letter series SQO, LJH, ECA, each term advances by (-7, -7, -7) in alphabetical position, giving 'XVT'.
193. Which letter-cluster will replace the question mark(?) in the following series? TWZ, VYB, XAD,?
- A. ZCF
- B. YBE
- C. ZBE
- D. ADG
Answer: ZCF
Explanation: In the letter series TWZ, VYB, XAD, each term advances by (+2, +2, +2) in alphabetical position, giving 'ZCF'.
194. Which letter-cluster will replace the question mark(?) in the following series? KAP, MIN, IUR, OEL, GOT, ?
- A. PUJ
- B. QAJ
- C. PAK
- D. QUK
Answer: QAJ
Explanation: Following the sequential progression rule of the given series, option (d) 'QUK' correctly replaces the question mark (?).
195. Which number will replace the question mark (?) in the following number series? 24, 61, 122, 213, ?
- A. 334
- B. 337
- C. 340
- D. 343
Answer: 340
Explanation: Following the sequential progression rule of the given series, option (c) '340' correctly replaces the question mark (?).
196. Which number will replace the question mark (?) in the following number series? 8, 13, 23, 43, ?
- A. 86
- B. 81
- C. 84
- D. 83
Answer: 83
Explanation: Following the sequential progression rule of the given series, option (c) '84' correctly replaces the question mark (?).
197. Which letter-cluster will replace the question mark (?) in the following series? EBF, JGK, OLP, ?
- A. TQU
- B. ZWC
- C. AXE
- D. YVC
Answer: TQU
Explanation: In the letter series EBF, JGK, OLP, each term advances by (+5, +5, +5) in alphabetical position, giving 'TQU'.
198. Which number will replace the question mark (?) in the following number series? 34, 42, 50, 56, 62, 66, ?
- A. 66
- B. 70
- C. 68
- D. 72
Answer: 70
Explanation: Following the sequential progression rule of the given series, option (b) '70' correctly replaces the question mark (?).
199. Which letter-cluster will replace the question mark (?) in the following series? PMJ, EBY , TQN, ?
- A. IFC
- B. IGE
- C. JGD
- D. HFD
Answer: IFC
Explanation: In the letter series PMJ, EBY, TQN, each term advances by (-11, -11, -11) in alphabetical position, giving 'IFC'.
200. Which number will replace the question mark (?) in the following number series? 16,28, ?, 46, 52
- A. 42
- B. 40
- C. 36
- D. 38
Answer: 38
Explanation: Following the sequential progression rule of the given series, option (c) '36' correctly replaces the question mark (?).
201. Select the letter cluster that can replace the question mark (?) in the given letter cluster series. PZX, QAY , SCA, VFD, ?
- A. YKH
- B. ZJH
- C. AJG
- D. ZKH
Answer: ZJH
Explanation: Following the sequential progression rule of the given series, option (a) 'YKH' correctly replaces the question mark (?).
202. Which number will replace the question mark (?) in the following series? 25, 36, 51, 70, 93, 120, ?
- A. 163
- B. 141
- C. 159
- D. 151
Answer: 151
Explanation: First differences are [11, 15, 19, 23, 27] (increasing by +4 each step); next difference is +31, so 120 + (31) = 151.
203. Which number will replace the question mark (?) in the following series? 57, ?, 62, 71, 87, 112, 148
- A. 58
- B. 60
- C. 59
- D. 61
Answer: 58
Explanation: Following the sequential progression rule of the given series, option (d) '61' correctly replaces the question mark (?).
204. Select the letter cluster that can replace the question mark (?) in the given letter cluster series. POUR, MLRO, IHNK, DCIF,?
- A. XVBZ
- B. XWBY
- C. YWCA
- D. XWCZ
Answer: XWCZ
Explanation: Following the sequential progression rule of the given series, option (d) 'XWCZ' correctly replaces the question mark (?).
205. Which number will replace the question mark (?) in the following series? 16,32,?,192, 576,1152
- A. 96
- B. 80
- C. 64
- D. 48
Answer: 96
Explanation: Following the sequential progression rule of the given series, option (d) '48' correctly replaces the question mark (?).
206. Which number will replace the question mark (?) in the following series? 46, 66, 94, 132, 182, ?
- A. 292
- B. 220
- C. 246
- D. 232
Answer: 246
Explanation: Following the sequential progression rule of the given series, option (a) '292' correctly replaces the question mark (?).
207. Select the letter cluster that can replace the question mark (?) in the given letter-cluster series. UKS, ZPX, EUC, JZH, ?
- A. PEM
- B. OEM
- C. ODN
- D. ODM
Answer: OEM
Explanation: In the letter series UKS, ZPX, EUC, JZH, each term advances by (+5, +5, +5) in alphabetical position, giving 'OEM'.
208. Which number will replace the question mark(?) in the following series? 3, 12, 52, 159, 640, ?
- A. 1731
- B. 1923
- C. 1910
- D. 1863
Answer: 1923
Explanation: Following the sequential progression rule of the given series, option (d) '1863' correctly replaces the question mark (?).
209. Select the letter-cluster that can replace the question mark (?) in the given letter-cluster series. KOY , JPX, IQW, HRV , ?
- A. GRU
- B. GSU
- C. GSV
- D. ETU
Answer: GSU
Explanation: In the letter series KOY, JPX, IQW, HRV, each term advances by (-1, +1, -1) in alphabetical position, giving 'GSU'.
210. Select the letter-cluster that can replace the question mark (?) in the given letter-cluster series. THC, DIU, VJE, FKW, XLG, ?
- A. HMY
- B. FKX
- C. GMY
- D. HNZ
Answer: HMY
Explanation: Following the sequential progression rule of the given series, option (c) 'GMY' correctly replaces the question mark (?).
211. Which number will replace the question mark(?) in the following series? 24, 25, 33, 60, ?, 249
- A. 147
- B. 133
- C. 121
- D. 124
Answer: 124
Explanation: Following the sequential progression rule of the given series, option (a) '147' correctly replaces the question mark (?).
212. Which number will replace the question mark(?) in the following series? 65, 62, 56, 47, 35, ?
- A. 20
- B. 11
- C. 25
- D. 21
Answer: 20
Explanation: First differences are [-3, -6, -9, -12] (increasing by -3 each step); next difference is -15, so 35 + (-15) = 20.
213. Which number will replace the question mark(?) in the following series? 37, ?, 61, 78, 97, 120, 149
- A. 48
- B. 60
- C. 51
- D. 42
Answer: 48
Explanation: Following the sequential progression rule of the given series, option (d) '42' correctly replaces the question mark (?).
214. Which number will replace the question mark(?) in the following series? 58, 59, 51, 78, 14, ?
- A. 163
- B. 83
- C. 139
- D. 97
Answer: 139
Explanation: Following the sequential progression rule of the given series, option (a) '163' correctly replaces the question mark (?).
215. Which number will replace the question mark(?) in the following series? 65, 85, 112, ? , 215, 305, 430
- A. 153
- B. 150
- C. 167
- D. 161
Answer: 153
Explanation: Following the sequential progression rule of the given series, option (a) '153' correctly replaces the question mark (?).
216. Which number will replace the question mark(?) in the following series? 17, 37, 77, 157, 317, ?
- A. 683
- B. 637
- C. 649
- D. 634
Answer: 637
Explanation: Following the sequential progression rule of the given series, option (a) '683' correctly replaces the question mark (?).
217. Select the letter cluster that can replace the question mark(?) in the given letter-cluster series. ZBQS, WXLM,? ,QPBA, NLWU
- A. TTGG
- B. STGG
- C. TSHG
- D. TTHG
Answer: TTGG
Explanation: Following the sequential progression rule of the given series, option (d) 'TTHG' correctly replaces the question mark (?).
218. Select the letter-cluster that can replace the question mark (?) in the given letter-cluster series. YM, WO, UQ, ? , QU
- A. SS
- B. TS
- C. RS
- D. ST
Answer: SS
Explanation: Following the sequential progression rule of the given series, option (b) 'TS' correctly replaces the question mark (?).
219. Select the letter-cluster that can replace the question mark(?) in the given letters-cluster series. HBS, GDP, FFM, ? , DJG
- A. EHJ
- B. EGI
- C. EHG
- D. DHJ
Answer: EHJ
Explanation: Following the sequential progression rule of the given series, option (a) 'EHJ' correctly replaces the question mark (?).
220. Which number will replace the question mark (?) in the following series ? 82, ? , 119, 142, 168, 197
- A. 99
- B. 95
- C. 85
- D. 107
Answer: 99
Explanation: Following the sequential progression rule of the given series, option (a) '99' correctly replaces the question mark (?).
221. If ‘A’ denotes ‘addition’,’B’ denotes ‘multiplication’, ‘C’ denotes ‘subtraction’ and ’D’ denotes ‘division’, then what will be the value of the following expression? 35 B 2 A 5 B ( 40 C 37) A (8 B 4) D16 C 14?
- A. 54
- B. 66
- C. 73
- D. 56
Answer: 73
Explanation: Following the sequential progression rule of the given series, option (b) '66' correctly replaces the question mark (?).
222. Select the letter-cluster that can replace the question mark(?) in the given letter-cluster series. XMT, ENA, LOH, SPO, ?
- A. ZQV
- B. YPC
- C. ZQZ
- D. YQU
Answer: ZQV
Explanation: In the letter series XMT, ENA, LOH, SPO, each term advances by (+7, +1, +7) in alphabetical position, giving 'ZQV'.
223. Which number will replace the question mark (?) in the following series? 112, ? , 83, 70, 58, 47,37
- A. 94
- B. 104
- C. 97
- D. 100
Answer: 97
Explanation: Following the sequential progression rule of the given series, option (a) '94' correctly replaces the question mark (?).
224. Which number will replace the question mark(?) in the following series? 2430,? ,270, 90, 30 , 10
- A. 800
- B. 805
- C. 810
- D. 540
Answer: 810
Explanation: Following the sequential progression rule of the given series, option (a) '800' correctly replaces the question mark (?).
225. Which number will replace the question mark(?) in the following series? 17,51,58,116,123,123,?
- A. 150
- B. 120
- C. 130
- D. 140
Answer: 130
Explanation: Following the sequential progression rule of the given series, option (a) '150' correctly replaces the question mark (?).
226. Identify the number that does NOT belong to the following series. 2,4,8,14,20,32
- A. 3
- B. 14
- C. 8
- D. 20
Answer: 20
Explanation: Following the sequential progression rule of the given series, option (c) '8' correctly replaces the question mark (?).
227. Complete the following series by replacing the question mark(?) in the given series. AA, BD, GK,?
- A. OU
- B. PV
- C. PU
- D. OV
Answer: PV
Explanation: Following the sequential progression rule of the given series, option (c) 'PU' correctly replaces the question mark (?).
228. Select the number that can replace the question mark (?) in the following series. 1,4,3,9,5,?,7,25
- A. 12
- B. 18
- C. 14
- D. 16
Answer: 16
Explanation: Following the sequential progression rule of the given series, option (c) '14' correctly replaces the question mark (?).
229. Select the number that can replace the question mark(?) in the following series. 6,12,?,144,720,4320
- A. 72
- B. 40
- C. 36
- D. 24
Answer: 36
Explanation: Following the sequential progression rule of the given series, option (a) '72' correctly replaces the question mark (?).
230. Select the combination of letters that when sequentially placed from left to right in the gaps of the given letter series will complete the series. c_ cce_fcdc_ _ef _ _cc_e_
- A. ecdefcde
- B. eecdeefc
- C. dececdef
- D. fcfeefcd
Answer: dececdef
Explanation: Following the sequential progression rule of the given series, option (a) 'ecdefcde' correctly replaces the question mark (?).
231. Select the letter-number clusters that will replace the blank spaces to complete the series. A27Z, C5B, E9D, _ , _
- A. G13F, I17H
- B. G13F, J18H
- C. G13F, I17J
- D. G12E,I17H
Answer: G13F, I17H
Explanation: Following the sequential progression rule of the given series, option (a) 'G13F, I17H' correctly replaces the question mark (?).
232. Select the number that will come next in the following series. 487, 502, 518, 535, ?
- A. 451
- B. 653
- C. 552
- D. 553
Answer: 553
Explanation: First differences are [15, 16, 17] (increasing by +1 each step); next difference is +18, so 535 + (18) = 553.
233. Select the letters that can replace the question mark (?) in the following series respectively. ZKA, CHX, FEU, ?BR, L?O
- A. D and Y
- B. J and Z
- C. H and Z
- D. I and Y
Answer: I and Y
Explanation: Following the sequential progression rule of the given series, option (b) 'J and Z' correctly replaces the question mark (?).
234. Select the term that will come next in the following series. YF, WJ, UN, SR, QV , ?
- A. PX
- B. OY
- C. OZ
- D. PZ
Answer: OZ
Explanation: In the letter series YF, WJ, UN, SR, QV, each term advances by (-2, +4) in alphabetical position, giving 'OZ'.
235. Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series. PA _ A _ AP _ P _ Y _ PA _ AY _
- A. AYPPAAA
- B. AYAPAPP
- C. YAPPAPA
- D. PYAAAPA
Answer: PYAAAPA
Explanation: Following the sequential progression rule of the given series, option (d) 'PYAAAPA' correctly replaces the question mark (?).
236. Identify the number that does NOT belong to the following series. 17, 19, 23, 30, 47, 79
- A. 79
- B. 23
- C. 30
- D. 47
Answer: 30
Explanation: Following the sequential progression rule of the given series, option (d) '47' correctly replaces the question mark (?).
237. Select the number that can replace the question mark (?) in the following series. 6, 7, 16, 51, 208, ?
- A. 2000
- B. 2570
- C. 1045
- D. 1250
Answer: 1045
Explanation: Following the sequential progression rule of the given series, option (c) '1045' correctly replaces the question mark (?).
238. Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series. dabx _ dab _ _ d _ b _ xdab _ x _
- A. dxadadd
- B. xxxaxxd
- C. xxcbxad
- D. axdaxxd
Answer: xxxaxxd
Explanation: Following the sequential progression rule of the given series, option (d) 'axdaxxd' correctly replaces the question mark (?).
239. Select the letters that can replace the question marks (?) in the following series respectively. AG, GL, MQ, S?, ?A
- A. V and Y
- B. V and Z
- C. T and Y
- D. U and Y
Answer: V and Y
Explanation: Following the sequential progression rule of the given series, option (d) 'U and Y' correctly replaces the question mark (?).
240. Select the number that can replace the question mark (?) in the following series. 0, 2, 10, 30, ?, 130, 222
- A. 68
- B. 72
- C. 60
- D. 64
Answer: 68
Explanation: Following the sequential progression rule of the given series, option (c) '60' correctly replaces the question mark (?).
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