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Saturday, May 23, 2020

A man crosses a stationary bus in 18 seconds. The same bus crosses a pole in 4 seconds. What is the respective ratio between the speed of the bus and the speed of the man ?

A man crosses a stationary bus in 18 seconds. The same bus crosses a pole in 4 seconds. What is the respective ratio between the speed of the bus and the speed of the man ?
A9 : 2
B9 : 4
C18 : 5
DCannot be determined

Correct answer is: 9 : 2

Explanation:

If the length of the bus be x metre, then
Required ratio = \(\frac{x}{4} : \frac{x}{18} = 9:2\)

prakash
answered May 23 '2020 at 16:1

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