Question

EXERCISE 11
1. 6 men can complete the electric fitting in a building in 7 days. How many days will it take 21 men to do
the job?
Shashi​

Answer 1

Answer:

2days

6men can complete work in 7days!

So, 6men’s work in 1day = 1/7

1men’s 1day work = 1/(7×6) = 1/42

Now, 21men’s 1day work = (1/42)×21 = 1/2

So 21 men can complete half of the work in a day, hence they need 2days to complete the work.

Hope this helps!

Answer 2

Answer:

2 days

Step-by-step explanation:

6×7=x×21

42=21x

x=21/42

x=1/2

1/2÷1

2days

hope this answer help u

plz mark me as brianlist