A man takes 3 hours 45 minutes to row a boat 22.5 km downstream of a river and 2 hours 30 minutes to cover a distance of 10 km up stream. Find the speed of the river current in km/hr.

A 1km/hr
B 2km/hr
C 3km/hr
D 4km/hr

Correct Answer: 1km/hr

সমীচীন - [বিশেষণ পদ] সঙ্গত, যথার্থ, উচিত, উপযুক্ত, ন্যায়সঙ্গত।
Bissoy MCQ
#গণিত #নৌকা ও স্রোত (Boat and stream) #Combined Bank (সমন্বিত ব্যাংক) #অফিসার (ক্যাশ) নিয়োগ পরীক্ষা- ১২-১০-২০১৮

Related Questions

A man takes 3 hours 45 minutes to row a boat 22.5 km downstream of a river and 2 hours 30 minutes to cover a distance of 10 km up stream . Find the speed of the river current in km /hr.
A 1 km/hr
B 2 km/ hr
C 3 km /hr
D 4km/ hr
A boat takes 4 hours to cover a certain distance running downstream, while it requires 8 hours 48 minutes to cover the same distance .Find the ratio between the speed of the current and the speed of the boat?
A 1 : 2
B 3 : 8
C 2 : 3
D 4 : 3
A man takes twice as long to row a distance against the stream as to row the same distance in favor of the stream . The ratio of the speed of the boat (in still water ) and the stream is :
A 2 : 1
B 3 : 2
C 4 : 3
D 3: 1
The ratio of the speed of boat in still water to the speed of stream is 16 :5. A boat goes 16.5 km in 45 minute upstream. Find the time taken by boat to cover the distance of 175 km downstream.
A 30minutes
B 25minutes
C 50minutes
D 45minutes
The ratio of the speed of boat in still water to the speed of stream is 16: 5. A boat goes 16.5 km in 45 minute upstream . Find the time taken by boat to cover the distance of 17.5 km downstream .
A 30 minutes
B 25 minutes
C 50 minutes
D 45 minutes
The ratio of the speed of boat in still water to the speed of stream is 16 : 5. A boat goes 16.5 km in 45 minute upstream , find the time taken by boat to cover the distance of 17.5 km downstream .
A 30 minutes
B 25minutes
C 50 minutes
D 45 minutes
A boat sailing against a stream of river takes 6 hours to travel 24 kms, while sailing with the stream it takes 4 hours to travel the same distance. What is the speed of the stream?
A 1/2 km/hr
B 1 km/hr
C 2km/hr
D 1.5 km/hr
A boat sailing against a stream of of river takes 6 hours to travel 24 kms, while sailing with the stream it takes 4 hours to travels the same distance. What is the speed of the stream ?
A 2.5 km / hr
B 1.5 km / hr
C 1 km / hr
D 0.5 km / hr
A boat sailing against a stream of river takes 6 hours to travel 24 kms while sailing with thestream it takes 4 hours to travel the same distance. What is the speed o fthe stream?
A 2.5 km/hr
B 1.5 km/hr
C 1 km/hr
D km/hr
A man can row a boat at 10 km/hr in still water. If the speed of the stream is 6 km/hr, the time taken to row a distance of 80 km downstream is:
A 8 hours
B 5 hours
C 10 hours
D 20 hours

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