Question

A contractor employed 120 persons to finish a certain work in 124 days. After 64 days, the contractor found that 23 of the work was already done. How many persons can be discharged now so that the work may finish on time?​

Answer 1

Answer:

56

Step-by-step explanation:

Description for Correct answer:

Given, M1 = 120, M2 = 120-x,

D1 = 64, D2= 124-64= 60

W1 = 2/3 and W2=1/3

According to the formula,

M1*D1/W1= M2*D2/W2

=> 120×64÷2/3=(120−x)×60÷1/3

=> 120×64/2×60=(120-x)

=> (120-x)=64

x=120-64=56

Now, 56 men can be discharged to finish the work in time.

Answer 2

Answer: 56 mens .

Explanation: Days remaining 124_64 _ 60days.

Remaining work 1_ 2/3. 1/3.

Let men required men for working remaining days be 'm'

So men required

( 120multiply 64) /2

(multiply 60)/1

M _ 64

Men discharged 120_ 64

56 mens.