RRB Junior Engineer Stage 1 Model Papers 8

Question : 38 of 100

Marks: +1, -0

2, 5, 11, 23, ?

Solution:

The pattern is :

2 × 2 + 1 = 5

5 × 2 + 1 = 11

11 × 2 + 1 = 23

23 × 2 + 1 = 47

So, The missing number is = 47.

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