Quantitative Aptitude Ques 1003

Question: Directions: What value will come in place of question mark (?) in the following questions?

$ 92\times 576\div (2\sqrt{1296})={{?}^{3}}+\sqrt{49} $

Options:

A) 3

B) $ 9^{2} $

C) 9

D) 27

E) None of these

Show Answer

Answer:

Correct Answer: C

Solution:

  • $ 92\times 576\div (2\sqrt{1296})={{?}^{3}}+\sqrt{49} $

$ \Rightarrow $ $ \frac{92\times 576}{2\times 36}={{?}^{3}}+7 $

$ \Rightarrow $ $ 736={{?}^{3}}+7 $

$ \Rightarrow $ $ {{?}^{3}}=736-7=729=9^{3} $

$ \Rightarrow $ $ ?=9 $