Sir, My question is :- A bottle is 3/4 full of water. The water in the bottle can fill 5 glasses. If the water in the bottle poured out to fill 3 glasses, find the fraction of the water left in bottle. please give solution in details.

Answer :

We have 34 full of water  , And that can fill 5 glasses  , So ,

In one glass total water can filled   = 345  = 34 × 5  = 320
So,

In 3 glass total water can filled  =  320 × 3  = 920

Therefore water left in bottle  = 34  - 920  = 15 - 920  =  620  = 310                   ( Ans )

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