সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন
Two pipe A & B can fill a tank in 15 minutes and 20 minutes respectively. If both pipes are opend together, then after how much time B should be closed so that the tank is full in 10 minutes?
Two pipe A & B can fill a tank in 15 minutes and 20 minutes respectively. If both pipes are opend together, then after how much time B should be closed so that the tank is full in 10 minutes?
- ক. 20/3
- খ. 8
- গ. 4
- ঘ. 6
সঠিক উত্তরঃ 20/3
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- It takes 7/4 minutes to fill a water jar. What part of the jar would be filled in 1 minute?
- What is the thikness of a pipe that has an outer diameter of 2.5 inches and inner diameter of 2.1 inches?
- A patrol tank that is 1/2 full has 8 gallons petrol removed. The tank is then 1/10 full. What is the capacity, in gallons of the tank?
- An empty pool is being filled with water at a constant rate. It takes 6 hours to fill 2/3rd of the pool. How much time will it take to completely fill the pool?
- One pipe can fill a pool in 6 hours and a second pipe can fill the same pool in 12 hours. If both pipes work together, how long will it take to fill the pool?
There are no comments yet.