7, 26, 63, 124............পরবর্তীতে কোনটি আসবে?

A 182 

B 196

C   205 

D 215

Solution

Correct Answer: Option D

23 -1 = 7
33 -1 = 26
43 -1 = 63
53 -1 = 124
63 -1 = 215

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