A train when moves at an average speed of 40 km/hr reaches its destination on time. When its average speed becomes 35 km/hr, then it reaches its destination 15 minutes late. Find the length of journey

A train when moves at an average speed of 40 km/hr reaches its dest

1.	A train when moves at an average speed of 40 km/hr reaches its destination on time. When its average speed becomes 35 km/hr, then it reaches its destination 15 minutes late. Find the length of journey
A.	30 km
B.	40 km
C.	70 km
D.	80 km
Answer» D. 80 km

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A train when moves at an average speed of 40 km/hr reaches its destination on time. When its average speed becomes 35 km/hr, then it reaches its destination 15 minutes late. Find the length of journey

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