Quantitative Aptitude Ques 1092
Question: The fourth proportional to 0.12, 0.21, 8 is
Options:
A) 8.9
B) 56
C) 14
D) 17
Show Answer
Answer:
Correct Answer: C
Solution:
- [c] Let the fourth proportional be x. Then, $ \frac{0.12}{0.21}=\frac{8}{x} $
$ \Rightarrow $ $ x=8\times \frac{0.21}{0.12} $
$ \Rightarrow $ $ x=8\times \frac{21}{12} $
$ \Rightarrow $ $ x=14 $
BETA
