Quantitative Aptitude Ques 1005
Question: Directions: What value will come in place of question mark (?) in the following questions?
$ \frac{3}{19} $ of 30% of $ 3420={{?}^{2}}\times 2 $
Options:
A) $ {{(81)}^{2}} $
B) 7
C) 9
D) 81
E) 49
Show Answer
Answer:
Correct Answer: C
Solution:
- $ \frac{3}{19}\times \frac{30}{100}\times 3420={{?}^{2}}\times 2 $
$ \Rightarrow $ $ {{?}^{2}}=\frac{3\times 3\times 18}{2} $
$ \Rightarrow $ $ {{?}^{2}}=9\times 9 $
$ \Rightarrow $ $ ?=9 $
BETA
