Question

12 men take 5 days to build a 200 m long road. How many days will 20 men take to
build a 400 m long road?​

Answer 1

Answer:

6 days.

Step-by-step explanation:

12men. Take 200m long road to build=5 days

1 men take 1m long road to build in =5*12/200

20 men take 400m long road to build in=5*12*400/200*20

=6 days.

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Answer 2

Answer:

5(12men /200 m) = (20men /400m) x

Therefore,

5(4 / 50)=(1/20)x

2/5=1/20x

2/5* 20=x

2 * 4 =x

8=x

Hope it helps you