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Question
A water tanker can hold 6000liters of water. If it fills tanks of capcity 800 liters and 400 liters respectively in this order, How many tanks of each type can be filled? (Hint -subtract 800 and from 6000 one after the other.)
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Solution
6000 litres of water in a tankFirst it tile 800 litre tankwater remaining =6000−800=5200 litresThen it fill 400 litre tankwater remaining 5200−400=4800Then 800 litre tankwater remaining =4800−800=4000LThen 800 litre tankwater remaining =4000−400=3600L
Then 800 litre tank water remaining =3600−800=2800L
Then 400 litre tank water remaining =2800−400=2400L
Then 800 litre tank water remaining =2400−800=1600L
Then 400 litre tank water remaining =1600−400=1200L
Then 800 litre tank water remaining =1200−800=400L
Then 400 litre tank water remaining =400−400=0L
Total 800 litre tanks filled =5Total 400 litre tanks filled =5
6000 litres of water in a tank
First it tile 800 litre tank
water remaining =6000−800=5200 litres
Then it fill 400 litre tank
water remaining 5200−400=4800
Then 800 litre tank
water remaining =4800−800=4000L
Then 800 litre tank
water remaining =4000−400=3600L
Then 800 litre tank
water remaining =3600−800=2800L
Then 400 litre tank
water remaining =2800−400=2400L
Then 800 litre tank
water remaining =2400−800=1600L
Then 400 litre tank
water remaining =1600−400=1200L
Then 800 litre tank
water remaining =1200−800=400L
Then 400 litre tank
water remaining =400−400=0L
Total 800 litre tanks filled =5
Total 400 litre tanks filled =5
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