A tank can be filled by 5 pipes in 80 minutes.How long it will take to fill the tank by 8 pipes of same size ?
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The time taken to fill 5 pipes =80minutes
for one pipe =80/5
=16minutes
To fill 8 pipes the time required is 16*8 =128minutes
for one pipe =80/5
=16minutes
To fill 8 pipes the time required is 16*8 =128minutes
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