IBPS RRB Clerk 2018

Instructions

What will come in the place of question mark(?) in the given questions?

Question 28

$$(43)^{2}+841=(?)^{2}+1465$$

Solution

As we know that square of 43 will be = 1849
Hence, answer will be = $$\sqrt{1849 + 841 - 1465}$$ = $$\sqrt{1225}$$ = 35

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