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=> 42/(5 + 2) + 42/(5 - 2) => 6 + 14 = 20 hrs
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Ajay and Vishal left the place ‘X’ with different speeds which are in the ratio 9:5 respectively. Ajay left the place 36 seconds after Vishal. If af...
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1500 metres long train crosses a man who is moving in the same direction with a certain speed, in 50 seconds. If the same train can cross a tree in 15 s...
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The speeds of the three cars are in the ratio of 4: 3: 5. The ratio of respective time taken by these cars to travel the same distance is:
