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
- 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:
- A man rowing in favour of current can go 80 km in 10 hrs and he can go the same distance in 40 hrs against the current. What is the speed of the current per hour?
- A man can row downstream at 10 kmph and upstream at 5 kmp. The man's rowing rate in still water is--
- A ferry can travel twice as fast when empty as when it is full. It travels 20 miles with full load, spends 1 hours for unloading & returns to its original port empty. It took 11 hours to complete the journey. What is the speed when the ferry is empty?
- 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?
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