Question

a contractor undertook to make 15 km of roadways in 40 weeks in 10 weeks 3 km completed by 180 men working 8 hours a day then men agreed to work in 1 hour a day over time and some boys were engaged to assist them the work was finished in stipulated time of 40 weeks how many boys were employed if the work of 3 boys be equal to that of 2 men​

Answer 1

Answer:

see no. 8 . The question you have given is just the same to this one .This is the answer is 448 but now by following the process you have to do your question. I have given this one' s question also ok

Answer 2

Answer:

50

Step-by-step explanation:

Let the capacity of man = 3 units, and boy = 2 units per hour.

Now total work = 3×180×8×7×10 = 3 km. - - - - - - - (1)

Let k boys were recruited. Now total work = (3×180+2×k) ×9×7×30 = 12km. - - - - - - (2)

By dividing 2nd equation by 1st,

⇒  

 

⇒ k = 50