Question 15

If 4 x 9 x 3 = 4 and 5 x 3 x 1 = 3, then 9 x 9 x 7 = ?

If we add the numbers and take the square root, we get :

Eg : $$\sqrt{4+9+3}=\sqrt{16}=4$$

Also, $$\sqrt{5+3+1}=\sqrt{9}=3$$

Similarly, $$\sqrt{9+9+7}=\sqrt{25}=5$$

=> Ans - (A)

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