৫ ঘণ্টায়
৬ ঘণ্টায়
৭ ঘণ্টায়
৮ ঘণ্টায়
Source: কারিগরি শিক্ষা অধিদপ্তর (প্রধান সহকারী-হিসাবরক্ষক-কম্পিউটার অপারেটর) 4- 6- 2021
Answer: ৬ ঘণ্টায়
Explanation:
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You should read | Questions
Two tanks A and B are filled with petrol. Tank A holds 600 liters more than B. If 100 liters of petrol were taken out from each tank, tank A would then contain 3 times as much petrol as tank B. What is the total number of liters of fuel in the two full tanks?
A petrol 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?
Two tanks are filled to capacity with automobile fuel. The first tank holds 600 gallons more than the second tank. If 100 gallons were to be pumped from each tank, the first tank would then contain 3 times as much fuel as the second tank. What is the total number of gallons of fuel in the two full tanks?
A tank is 25 m long , 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq.m is :
The pipe can independently fill a water tank in 10,12 and 15 hours. How many hours will take for all three pipes opened together to fill half of the tanks?
Three pipes P, Q and R can fill a tank in 6 hours. After working all three together for 2 hours, R is closed and P and Q can fill the remaining part in 7 hours. The number of hours taken by R alone to fill the tank is-
Two pipes A and B can fill a tank in 20 and 30 minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?
A tap can fill a tank in 6hours.After half hour the tank filled ,three more similar taps are opened.What is the total time taken to fill the tank completely?
একটি চৌবাচ্চায় তিনটি নল দিয়ে ৮,১২ ও ২৪ ঘন্টায় পূর্ণ হতে পারে। তিনটি নল একসঙ্গে খুলে দিলে চৌবাচ্চাটির তিন-চতুর্থাংশ পূর্ণ হতে কত সময় লাগবে?
Two identical taps fill 2/5 of a tank in 20 minutes.when one of the taps goes dry n how many minutes will the remaining one tap fill the rest of the tank?
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