Railway exam- Number series

RAILWAY EXAM

SUBJECT: NUMBER SERIES

Direction (Q. Nos. 1-5) In each of the following questions, a number series is given with one of the terms missing. Choose the correct alternative that will continue the same pattern and replace the question mark (?) in the given series.

1. 150, 74, 36, 17, ?, 2.75

a. 6.5           b. 7.5            c. 5.5           d. 8.5

Answer: b

2. 849, 282, 93, 30, 9, ?

a. 2           b. 1            c. 3             d. 4

Answer: a

3. 48, 166, 244, 290, 312, ?

a. 318         b. 319         d. 320             d. 317

Answer: a

4. 756, 532, 420, 364, 336, ?

a. 222             b. 322           c. 321                d. 221

Answer: b

5. 840, ?, 420, 140, 35, 7

a. 408         b. 840           c. 480         d. 804

Answer: b