

MCQOPTIONS
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1. |
Two trains running in opposite directions cross a man standing on the platform in 27 seconds and 17 seconds respectively and they cross each other in 23 seconds. What is the ratio of their speeds ? |
A. | 3 : 4 |
B. | 1 : 3 |
C. | 3 : 2 |
D. | None of these |
Answer» D. None of these | |