সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream in the same time, the speed of the stream is:
The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream in the same time, the speed of the stream is:
- ক. 2 km/hr
- খ. 2.5 km/hr
- গ. 3 km/hr
- ঘ. 4 km/hr
সঠিক উত্তরঃ 3 km/hr
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 man rows upstream 24 km and downstream 36 km, taking 6 hours each time. The velocity of the current will be:
- 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?
- A man can now a boat at 10 km/hr in still water. If the speed of the stream is 6 km/hr, the time teken to row a distance of 80 km downstream is:
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