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Boats & Streams Questions for RRB NTPC PDF - Cracku

Question 1: A boat covers 12 km upstream in 4 hours and can cover the same distance boat and stream formula pdf 50 in 3 hours. What is the distance in metres between the two boats one second before they collide?

Question 3: A boat goes 15 km upstream and 22 km downstream is 5 hours. Question 4: A boat travels 60 kilometers downstream and 20 kilometers upstream in 4 hours. The same boat travels 40 kilometers downstream and 40 kilometers upstream in 6 hours. Question 7: A boat took 4 hours to travel 20km upstream.

Find the speed of the boat in still water if the speed biat the stream is 2 kmph? Question 8: A boat goes 8 km upstream and 12 km downstream in 7hours. It goes 9 km upstream and 18 km downstream in 9 hours. Question 9: A boat covers km upstream in 13 hours and the same distance downstream in 11 hours.

Question A boat covers a distance of 14 km boat and stream formula pdf 50 and 16 km downstream in 9 hours. It covers a distance of formulw km upstream and 40 km downstream in 11 hours. The speed of the current is.

If the boat takes 8 hours to go to a place and come back, then what is the distance in km of the place? Question A man can row 32 km upstream in 8 hours and the same distance downstream can be covered in 4 boat and stream formula pdf 50. If the speed of the stream and boat is constant throughout then what is the speed of stream?

Question A boat going upstream can cover a certain distance in 6 hours. The speed of the stream is half the speed of boat in still water. How much time formuls the boat take to cover the same distance downstream? Question A boat goes 4 km upstream and 4 km downstream in 1 hour. The same boat goes 5 km downstream and 3 km upstream in 55 minutes. What is the time taken in seconds by the boat to reach the lighthouse from its initial position?

Question The average weight of 15 oarsmen in a boat is increased by 1. Find the weight of the new man in kg. Question A boat goes 24 km upstream and 28 km downstream Formula For Boat And Stream Pdf in 6 hours.

It goes 30 km upstream and 21 km downstream in 6 hours and 30 minutes. The speed of the boat in still fkrmula is. Question A person can row a distance of one km upstream in ten minutes and downstream in four minutes. What is the speed of the stream? Question Ravi rows a boat upstream in a river from point A to B in 4 hours. Flrmula the river been still, he could have completed the journey in 3 hours. How much time will it take for Ravi to row the boat from point B strdam A?

Let the speed of the boat be 2x. Hence, the time taken while travelling downstream will be one third of the time Boat And Stream Formula Pdf Expert taken while going upstream. Let the blat between the 2 points A and B be D, the speed of Ravi be r and the speed of boat and stream formula pdf 50 stream be s.

Therefore, option A is the right answer. Save my name, email, and website in this browser for the next time I comment. Submit Code. Enter verification code:. Send verification text to phone:.

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Question 4: A boat takes 6 hours to go downstream and comes back upstream in 12 hours. Find the ratio of the speed of the boat and the speed of the stream. Question 5: A man rows 10 km upstream and back again to the starting point in 55 min. If the speed of the stream is 2 kmph, then find the speed of the boat in still water.

It takes 15 hr to reach its destination and return back if river has no flow. For the same journey it takes 16 hr if river is flowing. Find speed of flow of river.

Your email address will not be published. Skip to content Boats and Streams is an essential topic for many competitive exams. Boats and Streams � Terminologies: Stream: It implies that the water in the river is moving or flowing. Standard Method: Let one side the distance be d km. Therefore, the average speed of the boat Shortcut Formula: Average Speed Finding the ratio of speeds of the boat and the stream Important: If the boat takes t down and t up respectively to travel same downstream and upstream distance, then we the following relation: Question 4: A boat takes 6 hours to go downstream and comes back upstream in 12 hours.

Standard Method: Let the common distance be d km. Finding the total time of the journey. Shortcut Formula: Let the speed of the boat in still water be x kmph. Leave a Comment Cancel Reply Your email address will not be published.

Join Now. When we move upstream, our speed gets deducted from the speed of the stream. Similarly when we move downstream our speed gets added. Example 1: A boat travels equal distance upstream and downstream. What is the speed of the boat in still water? Example 2: A boat travels equal distance upstream and downstream. What is the speed of the current?

Example 3: A boat is rowed down a river 28 km in 4 hours and up a river 12 km in 6 hours. Find the speed of the boat and the river. Solution: Downstream speed is ,.

Speed of current Downstream�Upstream speed. When the river is running at 1. How far is the place? A man rows a certain distance downstream in X hours and returns the same distance in Y hours. Example 5: Vikas can row a certain distance downstream in 6 hours and return the same distance in 9 hours. Example 6: Two ferries start at the same time from opposite sides of a river, travelling across the water on routes at right angles to the shores.

Each boat travels at a constant speed though their speeds are different.

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