Two donkeys are standing 400 meters apart. First donkey can run at a s – McqOptions

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1.	Two donkeys are standing 400 meters apart. First donkey can run at a speed of 3 m/sec and the second can run at 2 m/sec. If two donkeys run towardsÂ each other after how much time (in sec) will they bump into each other?
A.	60
B.	80
C.	400
D.	40
Answer» C. 400

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