$12$ men working $8$ hrs a day complete a piece of work in $10$ days. To complete the same work in $8$ days, working $15$ hrs a day, how many men are needed?

Open in App

Solution

Working $8$ hrs in a day men needed $= 12$
$\Rightarrow$ Working $1$ hr in $1$ day men needed $= 12 \times 8 \times 10$
$\Rightarrow$ Working $15$ hrs in $8$ days men needed $= \frac{12 \times 8 \times 10}{15 \times 8} = 8$
$∴$ Men needed $= 8.$
Hence, the answer is $8.$

Suggest Corrections

Similar questions

$12$ men, working $8$ hours a day, complete a piece of work in $10$ days. To complete the same work in $8$ days working $15$ hours a day, the number of men required is

Q. The work done by a woman in 8 hrs is equal to the work done by a man in 6 hrs and by a boy in 12hrs. If working 6 hrs per day, 9 men can complete a work in 6 days, then in how many days can 12 men, 12 women, and 12 boys together finish the same work working 8 hrs per day?

90

men can complete a work in

24

days working

8

hours a day. How many men are required to complete the same working in

18

days working

7 \frac{1}{2}

hours a day ?

Q. 8 men working for 9 hours a day can complete a piece of work in 20 days. In how many days can 7 men working for 10 hours a day complete the same piece of work?

16

men can complete a piece of work in

8

days. In how many days can

12

men complete the same piece of work?

Join BYJU'S Learning Program

12 men working 8hrs a day complete a piece of work in 10 days. To complete the same work in8 days, working 15 hrs a day, how many men are needed?

Working 8 hrs in a day men needed =12⇒ Working 1 hr in 1 day men needed =12×8×10⇒ Working 15 hrs in 8 days men needed =12×8×1015×8=8∴ Men needed =8.Hence, the answer is 8.

$12$ men working $8$ hrs a day complete a piece of work in $10$ days. To complete the same work in $8$ days, working $15$ hrs a day, how many men are needed?

Working $8$ hrs in a day men needed $= 12$
$\Rightarrow$ Working $1$ hr in $1$ day men needed $= 12 \times 8 \times 10$
$\Rightarrow$ Working $15$ hrs in $8$ days men needed $= \frac{12 \times 8 \times 10}{15 \times 8} = 8$
$∴$ Men needed $= 8.$
Hence, the answer is $8.$