Walking at 80% of his usual speed, a man is 10 mins late to his office. Find the usual time taken by hime to reach his office.

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Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?

A. 2.5 B. 2.0 C. 1.75 D. 1.5 E. 1.25...

A man travels from A to B at a speed of 30 kmph and returns with a speed of 60 kmph. What is the average speed of the man?

A. 47.5 B. 50 C. 45 D. 40...

If a boat is rowed downstream for 50 km in 5 hours and upstream for 24 km in 6 hours, what is the speed of the boat and the river?

A. (7 , 3) km/hr B. (6 , 4) km/hr C. (10 , 4) km/hr D. None of these...

A cyclist covers a certain distance in 50 minutes at a speed of 24 kmph. To cover the same distance in 40 minutes, he should travel at a speed of__________?

A. 30 kmph B. 27 kmph C. 25 kmph D. 20 kmph...

A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

A. 8.2 B. 4.2 C. 6.1 D. 7.2...