Question 36

In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.

Solution

The number at the middle is twice the sum of number at the vertices.

Eg :- $$(4+9+6)\times2=19\times2=38$$

and $$(8+11+9)\times2=28\times2=56$$

Similarly, $$(12+11+13)\times2=36\times2=72$$

=> Ans - (A)

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