Quantitative Aptitude Mock Test 37

Two boats start from the same point and travel in opposite directions. The speed of the first boat is 10 km/h and the speed of the second boat is 12 km/h. If the boats are 10 km apart after 1 hour, what is the distance between the two boats after 2 hours?

A boat travels 20 km downstream in 1 hour. The speed of the stream is 2 km/h. What is the distance traveled upstream in 2 hours?

A boat travels 30 km upstream in 3 hours and 30 km downstream in 2 hours. What is the speed of the stream?

A boat travels 20 km upstream and 30 km downstream in 6 hours. The speed of the stream is 2 km/h. What is the boat's speed in still water?

Two boats start from the same point and travel in opposite directions. The speed of the first boat is 10 km/h and the speed of the second boat is 12 km/h. If the boats are 20 km apart after 2 hours, what is the distance between the two boats after 3 hours?

A boat travels 20 km downstream in 2 hours. The speed of the stream is 3 km/h. What is the distance traveled upstream in 3 hours?

A boat travels 30 km upstream in 3 hours and 30 km downstream in 2 hours. What is the boat's speed in still water?