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If 4/5 of a cistern is filled in 1 minut...

If `4/5` of a cistern is filled in 1 minute,how much time will be required to fill the empty cistern?

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1 min 15 sec
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If 3/ 5^"th" of a cistern is filled in 1 minute, how much more time will be required to fill the of it?

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Two pipes A and B can fill a cistern in 24 minutes and 30 minutes, respectively. There is also an outlet C. If all the three pipes are opened together, the cistern is filled in 20 minutes. How much time will be taken by C to empty the full cistern?

Two pipe A and B can separately fill a cistern in 60 minutes and 75 minutes respectively . There is a third pipe at the bottom of the cistern to empty it, if all the three pipes are simultaneously opened, then the cistern is filled in 50 minutes . In how much time can the third pipe alone empty the cistern ?

Two pipes A and B can separately fill a cistern in 60 minutes and 75 minutes respectively. There is a third pipe in the bottom of the cistern to empty it. If all the three pipes are simultaneously opened then the cistern is full in 50 minutes. In how much time, the third pipe alone can empty the cistern? 90 m in b. 100 m in c. 110 m in d. 120 m in

RS AGGARWAL-UNITARY METHOD-TEST PAPER -9
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  5. 8 men can finish a piece of work in 15 hours.In how many hours can 20 ...

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  6. If 4/5 of a cistern is filled in 1 minute,how much time will be requir...

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  8. In a fort,120 men had provisions for 30 days,For how many days is the ...

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  9. In a map, 1 cm represents 8 km.How much distance will be represented b...

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  10. If 16 men can reap a field in 30 days.in how many days will 20 men rea...

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  11. If 21 cows eat as much as 15 buffaloes.how many cows will eat as much ...

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  12. 45 cows can graze a field in 12 days.How many cows will graze the same...

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  13. 6 dozen eggs are bought for Rs 108. How much will 108 eggs cost?

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  14. Fill in the blanks If 42 men can dig a trench in 14 days,then 1 man ca...

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  15. If 10 pipes of the same diameter can fill a tank in 24 minutes.then 8 ...

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  16. If 8 men can finish a piece of work in 40 days.then 10 men can finish ...

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  17. A tree 6 m tall casts a shadow of length 4 m.At the same time a flag c...

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  18. If a worker takes 2/3 hour to make a toy.then he will make 12 toys in ...

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