সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
A man can row upstream at 10 km/h and downstream at 16 km/h. His rate in still water is---
A man can row upstream at 10 km/h and downstream at 16 km/h. His rate in still water is---
- ক. 12
- খ. 26
- গ. 13
- ঘ. 6
সঠিক উত্তরঃ 13
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- 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 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:
- 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 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 rows 6 km/hr in still water. When the river is running at 1.5 km/hr, it takes him 1.5 hour to row to a place and back. How far is the place?
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