Quantitative Aptitude Ques 2082

Question: Directions: What will come in place of question mark in the given questions? [IBPS (Clerk) Pre2015]

$ \sqrt{1849}+\sqrt{441}={2^{16-?}} $

Options:

A) 14

B) 12

C) 6

D) 10

E) 8

Show Answer

Answer:

Correct Answer: D

Solution:

  • $ \sqrt{1849}+\sqrt{441}={2^{16-?}} $

$ \Rightarrow $ $ 43+21={2^{16-?}} $

$ \Rightarrow $ $ 64={2^{16-?}} $

$ \Rightarrow $ $ {2^{16-?}}=2^{6} $

$ \Rightarrow $ $ 16-?=6 $

$ \Rightarrow $ $ ?=16-6 $

$ \Rightarrow $ $ ?=10 $

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