If a boat goes 7 km upstream in 42 min and the speed of the stream is 3 km/hr, then the speed ( in km/hr)of the boat in stiil water is : Options: A . &nbsp12 B . &nbsp13 C . &nbsp14 D . &nbsp15

If a boat goes 7 km upstream in 42 min and the speed of the stream is 3 km/hr

Question

If a boat goes 7 km upstream in 42 min and the speed of the stream is 3 km/hr, then the speed ( in km/hr)of the boat in stiil water is :

Options:

A . 12

B . 13

C . 14

D . 15

Answer: Option B

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Question 1. The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr the distance travelled downst....km/hr the distance travelled downstream in 2 min. is :

Question 2. The speed of a boat in steel in still water is 10 km/hr . If it can travel 26 km downs stream and 14 km upstream in t....same time , the speed of the stream is :

Question 3. A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by....time taken by the boat to go 68 km downstream.

Question 4. A mans speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The mans speed against the current ....is 2.5 km/hr. The mans speed against the current is:

Question 5. A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same d....of the boat and speed of the water current respectively?

Question 6. A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minute....30 minutes. The speed of the stream (in km/hr) is:

Question 7. In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water ....speed of the boat in still water (in km/hr) is:

Question 8. A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes ....What is the speed of the boat in still water?

Question 9. The speed of a boat in still water in 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in ....3 km/hr. The distance travelled downstream in 12 minutes is:

Question 10. A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of th....water is 10 mph, the speed of the stream is:

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