Question : 12 men can complete a work in 10 days. How many more men are required to complete the work in 6 days?
Option 1: 24
Option 2: 10
Option 3: 8
Option 4: 20
Correct Answer: 8
Solution :
Given: 12 men can complete a work in 10 days.
The total work done is proportional to the number of men and the number of days.
$M_1×D_1= M_2×D_2$
⇒ $12×10=M_2×6$
⇒ $M_2=20$
To complete the work in 6 days, we need 20 men.
Since we already have 12 men, we need $20 - 12 = 8$ more men.
Hence, the correct answer is 8.
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