সকল সরকারী/বেসরকারী পরীক্ষার প্রশ্ন পেতে ক্লিক করুন গণিতের আইকিউ টেস্ট করতে ক্লিক করুন 
Two pipes A & B would be fill a tank in 20 & 30 minutes respectively. Both pipes being oppen, find when A must be turned off so that the tank may be just filled in 15 minutes.
Two pipes A & B would be fill a tank in 20 & 30 minutes respectively. Both pipes being oppen, find when A must be turned off so that the tank may be just filled in 15 minutes.
- ক. After 10 minutes
- খ. After 20 minutes
- গ. After 15 minutes
- ঘ. None
সঠিক উত্তরঃ After 10 minutes
এ সম্পর্কিত আরো প্রশ্ন দেখুন
- 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?
- Three-fourth petrol of a reservoir is used to fill the petrol tanks of five trucks having the same storege capacity; What part of the total capacity of the petrol reservoir did each truck receive?
- 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?
- What is the thikness of a pipe that has an outer diameter of 2.5 inches and inner diameter of 2.1 inches?
- If a pipe fills a tank in h hours what part of the tank does it fill in 2 hours?
There are no comments yet.