CBSE BOARD XII, asked by honey269, 1 year ago

six tapes take one hour for filling a tank completely.the time taken by 9 tapes of the same size to fill the tank completely Will be?

Answers

Answered by SirYaSir
1
Thats a pretty simple question, that could be solved applying unitary method.
Here,
6 tapes are taking 1 hr.
So, 1 tape will take 1/6 hrs.
Therefore, the taken by 9 tapes will be 9 × 1/6 = 1.5 hrs. 
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