Two bus start from a house at an interval of 10 minutes and travel at – McqOptions

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1.	Two bus start from a house at an interval of 10 minutes and travel at a speed of 20 km/hr. With how much speed (km/hr). should a man coming from the opposite direction towards the house travel, to meet the buses at an interval of 8 minutes?
A.	5
B.	6
C.	7
D.	4
Answer» B. 6

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