Quantitative Aptitude Quiz For IBPS RRB PO/Clerk Prelims 2022- 1st August

Directions (1 – 15): In each of these questions a number series is given. In each series only one number is wrong. Find out the wrong number.

Q1. 380, 331, 295, 275, 254, 245, 241
(a)380
(b)275
(c)295
(d)245
(e)241

Q2. 225, 227.5, 232.5, 242, 250, 262.5, 277.5
(a)225
(b)232.5
(c)250
(d)242
(e)277.5

Q3. 169, 1331, 100, 343, 25, 27, 1
(a)343
(b)1331
(c)27
(d)169
(e)100

Q4. 1, 1, 2, 4.5, 12, 30, 93                                                                                                                   
(a)12
(b)4.5
(c)2
(d)30
(e)93

Q5. 216, 36, 180, 45, 140, 67.5, 67.5
(a)36
(b)216
(c)140
(d)67.5
(e)180

Q6. 340, 344, 348, 354, 362, 372, 384
(a)340
(b)344
(c)348
(d)354
(e)372

Q7. 720, 709, 687, 654, 610, 555, 490
(a)720
(b)610
(c)687
(d)709
(e)490

Q8. 715, 700, 750, 675, 775, 650, 800
(a)650
(b)800
(c)750
(d)715
(e)700

Q9. 11, 23, 45, 89, 177, 353, 705
(a)23
(b)11
(c)705
(d)177
(e)353

Q10. 118, 126, 142, 150, 166, 174, 192
(a)166
(b)150
(c)192
(d)118
(e)174

Q11. 320, 322, 324, 342, 390, 490, 670
(a)670
(b)320
(c)342
(d)390
(e)322

Q12. 432, 470, 520, 573, 638, 712, 795
(a)520
(b)432
(c)795
(d)712
(e)573

Q13. 13, 14, 27, 41, 68, 109, 177, 238
(a)27
(b)109
(c)68
(d)238
(e)27

Q14. 250, 252, 264, 294, 350, 440, 576
(a)252
(b)576
(c)294
(d)350
(e)440

Q15. 1050, 1059, 1075, 1100, 1138, 1185, 1249
(a)1185
(b)1050
(c)1138
(d)1249
(e)1075

Solutions