Quantitative Aptitude Ques 802

Question: Directions: What approximate value will come in place of the question mark (?) in the following questions? (You are not required to find the exact value. [IBPS (PO) 2011]

$ \sqrt{727.9995}+{{(5.1961)}^{2}}=?\div \frac{2}{10.7960} $

Options:

A) 53

B) 44

C) 5

D) 15

E) 10

Show Answer

Answer:

Correct Answer: E

Solution:

  • $ \sqrt{727.9995}+{{(5.1961)}^{2}}=?\div \frac{2}{10.7960} $

$ \Rightarrow $ $ \sqrt{728}+{{(5.2)}^{2}}\approx ?\times \frac{10.8}{2} $

$ \Rightarrow $ $ 26.98+27.04\approx ?\times 5.4 $

$ \Rightarrow $ $ 54.02\approx ?\times 5.4 $

$ \Rightarrow $ $ ?\approx 10.003 $
$ \Rightarrow $ $ ?\approx 10 $

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