Question 78

If 21 (49) 14 and 159 (169) 146, then what is the value of 'A' in 56 (A) 44?

Solution

The number in the middle is the square of the difference of the remaining two numbers.

Eg :- $$(21-14)^2=(7)^2=49$$

and $$(159-146)^2=(13)^2=169$$

Similarly, $$(56-44)^2=(12)^2=144$$

=> Ans - (A)

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