Question 77

Twelve men can complete a work in 8 days. Three days after they started the work, it was decided to complete the remaining work in 4 days. How many more men should be employed so that the remaining work can be completed in 4 days?

Name: Twelve men can complete a work in 8 days. Three days after they started the work, it was decided to complete the remaining work in 4 days. How many more men should be employed so that the remaining work can be completed in 4 days?
Uploaded: 2026-01-26T11:40:53.152053+05:30
Duration: 2 min 23 s
Description: Twelve men can complete a work in 8 days. Three days after they started the work, it was decided to complete the remaining work in 4 days. How many more men should be employed so that the remaining work can be completed in 4 days?

Solution

Let total work to be done = 96 units

Thus, 12 men complete 12 units of work each day, thus 1 man's efficiency = 1 unit/day

Work done in first 3 days = 36 units

Now, remaining work, i.e. 60 units must be completed in 4 days

=> Number of men required = $$\frac{60}{4}=15$$

Thus, 3 more men are required.

=> Ans - (A)

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