The speed of two railway enginesis in the ratio 5 : 4. If they moveonparallel tracks in the same direction and if the slower engine is ahead of the faster engine by 8 km when the latter starts, then how far will the faster engine have to travel before it overtakes the slower one?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 40
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Understanding |
Application |
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Let the speed of the two engine be 5x and 4x km/h respectively. Relative speed in the same direction = x |
Time taken to faster egine to overtake slower engine is = Distance = Speed × time = |