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 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?
- The velocity of a boat rowed downstream is three times that of the same boat rowed upstream. If the speed of the stream is 2.5 miles per hour what is the speed of rowing in miles/hr?
- 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?
- Speed of a boat in standing water is 10 km/h and the speed of the stream is 2 km/h. A man rows to a place at a distance of 48 km and comes back to the starting point. What will be the total time taken by him?
- 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?
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