Instructions

In each of the following questions, select the related letter/word/number from the given alternatives :

Question 151

8 : 9 : 56 : ?

Solution

Expression = 8 : 9 : 56 : ?

The pattern followed is = $$n(n-1)$$

Eg = $$8(8-1)=8\times7=56$$

Similarly, $$9(9-1)=8\times8=72$$

=> Ans - (C)

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