[Solved] - - SSC CGL 2014 Tier 1 26 Oct shift 3

Instructions

In each of the following questions, select the missing number from the given responses.

Question 34

Solution

let the missing term be y

here numbers in 3rd row of every column = square of number in 2nd row in same column - square of number in 1st row in same column

33 = $$7^2$$ - $$4^2$$

27 = $$6^2$$ - $$3^2$$

21 = $$5^2$$ - $$2^2$$

and hence same pattern will follow in 1st column

and so, y = $$9^2$$ - $$2^2$$ = 77

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