সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
A man rows upstream 24 km and downstream 36 km, taking 6 hours each time. The velocity of the current will be:
A man rows upstream 24 km and downstream 36 km, taking 6 hours each time. The velocity of the current will be:
- ক. 1
- খ. 5
- গ. 4
- ঘ. 3
সঠিক উত্তরঃ 1
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- A man can row upstream at 10 km/h and downstream at 16 km/h. His rate in still water is---
- 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:
- 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.
- 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?
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