Four of the following five are alike in a certain way and hence form a group. Which one of the following does not belong to that group? (a) 21 (b) 35 (c) 49 (d) 63 (e) 56

2 Answers on this Question

1. e. 56 is 7*8 which is the product of 7 with even no.

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2. 56 is rigt answer because here
   21=7*3,35=7*5,49=7*7,63=7*9,56=7*8 56 is multiply 7 or even
   no fo 8

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