App Logo

No.1 PSC Learning App

1M+ Downloads
3,7,15,___

A31

B17

C25

D27

Answer:

A. 31

Read Explanation:

3 ×2+1 =7 7×2+1=15 15×2+1=31


Related Questions:

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. WVU, TSR, QPO, ?
Complete the series. 755, 151, 75.5, 15.1, (…)
Complete the series, 6, 15, 35, 77, 143,.....

In the following question, select the missing number from the given series.

13, 17, 26, 42, 67, ?

Find the missing term in the following alphabetical series : A, G, L, P, S, .....