Number Series Questions With Solution For IBPS PO 2017

What should come at the place of question mark (?) in the following number series? 

Ques 1. 26, 12, 10, 16, ? 
A. 50
B. 52
C. 53
D. 56
E. 57

Ques 2. 82, 107, 207, 432, 832, ?
A. 1550
B. 1450
C. 1457
D. 1542
E. 1478

Ques 3. 122, 213, 340, 509, 726, ?
A. 942
B. 997
C. 919
D. 950
E. 922

Ques 4.  25, 37.5, 56.25, ?, 12.5625
A. 72.375
B. 84.375
C. 92.255
D. 59.750
E. 69.450

Ques 5. 10, 50, 94, 142, 194, ?
A. 250
B. 270
C. 260
D. 240
E. 220 
Ques. 6. 3420, 1660, 780, 340, ?, 10
A. 135
B. 120
C. 75
D. 185
E. 90

Ques. 7. 50, ?, 150, 240, 375, 577.5
A. 90
B. 60
C. 80
D. 75
E. 95

Ques. 8. 2, 10, 30, 68, ?
A. 160
B. 125
C. 130
D. 135
E. None of these

Ques. 9. 4, 5, 18, 81, ?, 2065
A. 272
B. 414
C. 492
D. 388
E. 339 

Ques. 10. 20, 25, 28, ?, 44, 43
A. 31
B. 23
C. 12
D. 32
E. 20

Ques. 11. 26, 34, ?, 50, -6, 66
A. 12
B. 10
C. 22
D. 8
E. 9

Ques. 12. 52, ?, 105, 149, 206, 277
A. 75
B. 84
C. 22
D. 18
E. 73

Ques. 13. 13860, 6930, ?, 462, 66, 6
A. 2272
B. 2414
C. 2310
D. 2388
E. 2339

Ques. 14. 16, 22, 42, 84, 156, ? 
A. 255
B. 250
C. 280
D. 266
E. 215

Ques. 15. 1448, 1446, 720, 236, ?, 5
A. 62
B. 75
C. 55
D. 28
E. 39 

Answers with Solution


Answer 1: D

Solution



Answer 2: C

Solution



Answer 3: B

Solution



Answer 4: B

Solution



Answer 5: A

Solution

Answer 6: B

Solution:


Answer 7: A

Solution:


Answer 8: C

Solution:


Answer 9: D

Solution:


Answer 10: A

Solution:


Answer 11: B

Solution:


Answer 12: E

Solution:


Answer 13: C

Solution:


Answer 14: D

Solution: 



Answer 15: C

Solution:




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