Quantitative Aptitude Ques 656
Question: Directions: What will come in place of question mark (?) in the following questions?
$ 78\times 5\div 2-26={{?}^{2}} $
Options:
A) $ \sqrt{13} $
B) $ 26 $
C) $ \sqrt{26} $
D) $ {{(13)}^{2}} $
E) $ 13 $
Show Answer
Answer:
Correct Answer: E
Solution:
- $ 78\times 5\div 2-26={{?}^{2}} $
$ \Rightarrow $ $ \frac{78\times 5}{2}-26={{?}^{2}} $
$ \Rightarrow $ $ 39\times 5-26={{?}^{2}} $
$ \Rightarrow $ $ 195-26={{?}^{2}} $
$ \Rightarrow $ $ 169={{?}^{2}} $
$ \Rightarrow $ $ ?=13 $
BETA
