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
- 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?
- An empty swimming pool with a capacity of 5760 gallons is filled at a rate of 12 gallons per minute. How many does it take to fill the pool to capacity?
- 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?
- Which of the following fraction is the equivalent of 0.5%?
- It takes 7/4 minutes to fill a water jar. What part of the jar would be filled in 1 minute?
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