A bus reaches point Q from point P 30 minutes earlier than normal time if it travels with speed of 70 km/h. If the bus travels with speed of 50 km/h then it reaches point Q 42 minutes later than the normal time. Find the time taken by the bus to cover 440 km with normal speed.

A bus reaches point Q from point P 30 minutes earlier than normal time

1.	A bus reaches point Q from point P 30 minutes earlier than normal time if it travels with speed of 70 km/h. If the bus travels with speed of 50 km/h then it reaches point Q 42 minutes later than the normal time. Find the time taken by the bus to cover 440 km with normal speed.
A.	7 hr 30 min.
B.	7 hr 20 min
C.	6 hr 45 min.
D.	8 hr 50 min.
E.	6 hr 40 min.
Answer» C. 6 hr 45 min.

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A bus reaches point Q from point P 30 minutes earlier than normal time if it travels with speed of 70 km/h. If the bus travels with speed of 50 km/h then it reaches point Q 42 minutes later than the normal time. Find the time taken by the bus to cover 440 km with normal speed.

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