Complete The Alternative Series :

1. 0, 7, 26, 63, ?

(a) 123               (b) 124                                  (c) 87                                     (d) 96
 

Anurag Mishra Professor Asked on 16th August 2015 in Reasoning Questions.
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Answer: (b) 124

Explanation:-
13 – 1 = 1 x 1 x 1 – 1
= 1 – 1 = 0
23 – 1 = 2 x 2 x 2 – 1
= 8 – 1 = 7
33 – 1 = 3 x 3 x 3 – 1
= 27 – 1 = 26
43 = 4 x 4 x 4 – 1
= 64 – 1
= 63
Same as,
53 = 5 x 5 x 5 – 1
= 125 – 1 = 124

Hence, the answer is (b) 124.

 

Anurag Mishra Professor Answered on 16th August 2015.
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