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QUESTION
Q
Choose the correct alternative from the given options that will complete the series. 5, 13, 29, 61, 125, ?

Choose the correct alternative from the given options that will complete the series.

5, 13, 29, 61, 125, ?

A

212

B

245

C

196

D

145

E

253

A

212

B

245

C

196

D

145

E

253

Solution

Given series : 5, 13, 29, 61, 125, ? The pattern of the number series is : 1 + 22 = 5 5 + 23 = 13 13 + 24 = 29 29...

Given series : 5, 13, 29, 61, 125, ?

The pattern of the number series is :

1 + 22 = 5

5 + 23 = 13

13 + 24 = 29

29 + 25 = 61

61 + 26 = 125

125 + 27 = 253

Hence the next number of the series is 253

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