Number Series Quiz For IBPS PO: Part 3

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

2556, 636, 156, ?, 6

A. 36 

B. 72
C. 100
D. 112
E. 20

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

21, 85, 253, 509, ? 

A. 506 

B. 505
C. 510
D. 521
E. 511

3. What should come at the place of question mark (?) in the following number series?
19, 33, 67, 97, 147, ? 

A. 193 

B. 200
C. 210
D. 205
E. 199

4. What should come at the place of question mark (?) in the following number series?
49, 60, 98, 102, 133, ? 

A. 139 

B. 145
C. 140
D. 130
E. 120

5. What should come at the place of question mark (?) in the following number series?
318, 206, 150, ?, 108, 101 

A. 130 

B. 115
C. 122
D. 120
E. 132

Solution: 

1. Ans. A. 

Solution: 

2. Ans. B. 

Solution: 

3. Ans. A. 

Solution:

 

4. Ans. D. 

Solution: 

5. Ans. C. 

Solution: