Quantitative Aptitude Ques 2467

Question: A starts from a place P to go to a place Q. At the same time, B starts from Q to P. If after meeting each other A and B took 4 h and 9 h more respectively, to reach their destinations, then ratio of their speeds is

Options:

A) 3 : 2

B) 5 : 2

C) 9 : 4

D) 9 : 13

Show Answer

Answer:

Correct Answer: A

Solution:

  • If two persons starts at the same time from two points A and B towards each other and after crossing they take a and b hours in reaching B and A, respectively. Then, $ \frac{A’s,speed}{B’s,speed}=\frac{\sqrt{b}}{\sqrt{a}} $ $ =\frac{\sqrt{9}}{\sqrt{4}}=\frac{3}{2}=3:2 $