A Motorboat takes 24 hours for travelling downstream from a point A to point B and coming back to point C, which is 1/3rd of distance between A and B. if the speed of the stream is 15 km/hr and the speed of the Motorboat in still water is 30 km/hr, then find out the distance between B and C?

180 km
240 km
145.5 km
266.66 km
210 km

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 1 : 180 km

Let the total distance AB be D km

BC = 1/3^rdof D

Time taken to cover AB + Time taken to cover BC = 24 hours

D/(30 + 15) + D/(3(30 - 15)) = 24

D/45 + D/45 = 24

D = 540 km

∴ Distance between A and B = 540 km

And Distance Between C and B = 540 × 1/3 = 180 km.

4 views Answered 2022-09-04 04:29

Related Questions

A man takes 4 hours to row 144 kms upstream which is 1/3rd more time than taken by him on his way downstream. Find his speed in still water.?

1 Answers 10 Views

A man covers a certain distance(in m) in 15 minutes and then covers a distance which is equal to three times of the previous distance in 45 minutes and again travels a distance twice the previous distance in 1 hour 30 minutes. If the average speed of the man is 50 m/min, then find the half of the total distance covered by man.?

1 Answers 4 Views

A boat goes 14 km upstream and 15 km downstream in a stream which is running at 4 kmph. Total time taken by boat for this is 3 hours. Find the downstream speed of a boat.?

1 Answers 4 Views

Arun walked from a point A and walked 5 km north to reach B, he turns right and after walking some distance he reached a point i.e.C then turn 90° anticlockwise he covered some distance and reached a point D then he turns again 900 clockwise and covered at a distance to reach a point E. At last, he moved towards the south and walked double the distance of AB and reached F point. Now, find which way is parallel to each other. ?

1 Answers 4 Views

A boat which has a speed of 75 km/hr goes upstream along the wind and returns to the starting point. The speed of stream and wind is 4 km/hr and 9 km/hr respectively. If the total distance 1120 km is covered by boat in 15 hours, then find the time taken to travel upstream.?

1 Answers 13 Views

A Motorboat takes 24 hours for travelling downstream from a point A to point B and coming back to point C, which is 1/3rd of distance between A and B. if the speed of the stream is 15 km/hr and the speed of the Motorboat in still water is 30 km/hr, then find out the distance between B and C?

1 Answers 4 Views

A boatman can row a certain distance downstream in 2 hours and the same distance upstream in 3 hours. If the speed of the boat in still water is 20 km/hr then find the rate at which the stream flows?

1 Answers 4 Views

A man can row at a speed of 15/2 km/hr in still water. He goes to a certain point upstream and back to the starting point in a river which flows at 3/2 km/hr, then the average speed of the man for the total journey is:?

1 Answers 4 Views

In the following question, three statements are given. You have to find which is/are necessary and sufficient to answer the following question. Find the speed of the boat in still water. Statement I: The boat goes twice the distance downstream in the same time, as it goes upstream. Statement II: Speed of the boat in still water is three times the speed of the current. Statement III: The boat goes 840 meters in 1 hour 10 minutes downstream.?

1 Answers 4 Views

The following questions have three statements. Study the question and the statements and decide which of the statement(s) is/are necessary to answer the question. Find the speed of the stream. Statement I: The boat goes 360 km downstream and 420 km upstream in total 54 hours. Statement II: The boat takes 17 hours to cover a distance of 510 km downstream. Statement III: A boat goes thrice the distance downstream as it goes upstream in 1 hour.?

1 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)