সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
A man can row downstream at 14 km/h and upstream at 8 km/hr. What is the rate of the stream?
A man can row downstream at 14 km/h and upstream at 8 km/hr. What is the rate of the stream?
- ক. 22
- খ. 11
- গ. 6
- ঘ. 3
সঠিক উত্তরঃ 3
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- Speed of the boat in standing water is 6 km/h and the speed of the stream is 2 km/h. What will be the total time if a man goes by the boat upstream 32 km and comes back to the starting point?
- A certain river has a current of 3 miles per hour. A boat takes twice as long to travel upstream between two points as it does to travel downstream between the same two points. What is the speed of the boat in still water?
- In a stream running at 2 km/hr, a motor boat goes 10 km upstream and back again to the starting point in 55 minutes. Find the speed of the motor boat in the still water.
- If a man row at 10 km/h along the current & the rate of the current is 2 km/h, what is the man's rate against the current?
- A man can cross 10 miles distance of a river in favor of the stream in 2 hours. He can come back against the stream along the same way in 5 hours. What is the average speed, in miles per hour, for the entire trip?
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