Question

if 15 workers take 8 hours to complete painting how much will 12 workers take to complete the same work​

Answer 1

Answer:

22.5 hours because 4 person equals to 7.5 hours

Answer 2

$\sf{\huge{\underline{\green{Given :-}}}}$

• 15 workers take 8 hours to complete painting.

$\sf{\huge{\underline{\green{To\:Find :-}}}}$

• Time taken by 12 workers take to complete the same work .

$\sf{\huge{\underline{\green{Answer :-}}}}$

We have given,

15 workers take 8 hours to complete painting.

Hence ,

Using Unitary Method,

15 worker complete a painting in 8 hours

1 worker complete a painting in 8 / 15

12 workers take to complete the same work

➝ 8/15 × 12

➝ 96/15

➝ 6.4 hours

➝ 384 minutes

➝ 6 hrs 24 minutes