Moving 6/7 of its usual speed a train is 10 min late. Find its usual time to cover the journey.

Moving 6/7 of its usual speed a train is 10 min late. Find its usua

1.	Moving 6/7 of its usual speed a train is 10 min late. Find its usual time to cover the journey.
A.	25 min
B.	15 min
C.	35 min
D.	60 min
Answer» E.

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Moving 6/7 of its usual speed a train is 10 min late. Find its usual time to cover the journey.

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