Question

6 plumbers can complete fitting in the in a bathroom in 5hrs .if is required to be done in 3 ¾ hrs how many plumbers will required

Answer 1

Given:-

•6 Plumbers can required fitting in the bathroom in 5 hours.

To Find:-

•If it required to be done $\sf3\dfrac{3}{4}$ hours then how many plumbers needed.

Solution:-

$\: \: \sf \therefore \: in \: 5 \: hours \: fitting \: in \: the \: bathroom = 6 \: plumbers \\ \\ \: \: \sf \: in \: 1 \: hour \: fitting \: in \: the \: bathroom = 5 \times 6 \\ \\ \: \: \sf \because \: in \: 3 \frac{3}{4} hours \: fitting \: in \: the \: bathroom = \frac{30}{15} \times 4 \\ \\ \: \: \sf \: = 8 \: plumbers$

Henceforth,8 plumbers needed to fitting in th bathroom.

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Extra Info...

•The unitary method is used for solving a single unit and then finding the neccersary value by multiplying the single unit.

•Unitary method is all about finding the. value to a single unit.

Ex:- If 8 men can complete a work in 6 days.

1 men can complete in=8 ×6 = 48 days