Square Root and Cube Root - Quantitative Aptitude (MCQ) questions for Q. 20731

Q.  Two-third of two-fifth of three-fourth of a number is 36. What is the square root of four-fifth of that number?
- Published on 07 Jul 17

a. 9
b. 12
c. 14
d. 16
e. None of these

ANSWER: 12
 
We have, 2/3 * 2/5 * 3/4 * X = 36
X = 180
Now, 4/5 * X = 4/5 * 180 = 144
√144 = 12

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