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
- 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?
- It takes 7/4 minutes to fill a water jar. What part of the jar would be filled in 1 minute?
- A tank is 30% full with water. If 18 liters of water is added the tank become 3/4 full. What is the capacity of the tank?
- A machine fills a bag with 7 ounces of potato chips in 3.5 seconds. At this rate, how many seconds will take the machine to fill a bag with 15 ounces of potato chips?
- A water tank is 5/8th full. When 100 gallons of water is used the tank is half full. What is the capacity of the water tank?
There are no comments yet.