Exams › SSC CGL (Prelims) › General

Complete the series: 3, 6, 13, 28, ?

1. 55
2. 57
3. 59
4. 61

Correct answer: 59

Solution

The pattern is: 3×2=6, 6×2+1=13, 13×2+2=28. Continuing the pattern gives 28×2+3 = 59.

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