সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
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 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?
- ক. 1/2 km/hr
- খ. 1 km/hr
- গ. 2 km/hr
- ঘ. 1.5 km/hr
সঠিক উত্তরঃ 1 km/hr
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- 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?
- 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?
- 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 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 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?
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