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4 men can do a piece of work in 27 days. How many men will do it in 18 days?
Question

4 men can do a piece of work in 27 days. How many men will do it in 18 days?

A.

6

B.

9

C.

7

D.

8

Correct option is A

Given:
4 men can complete the work in 27 days.
Formula Used:
​M1×D1=M2×D2M_1 × D_1 = M_2 × D_2​​
Solution:
​M1=4,D1=27M_1 = 4, D_1 = 27​​
​M2=?,D2=18M_2 = ?, D_2 = 18​​
​4×27=M2×184 × 27 = M_2 × 18​​
​108=18×M2108 = 18 × M_2​​
​M2=10818M_2 = \frac{108}{18}​​
​M2=6M_2 = 6​​
Final Answer
So the correct answer is (a)

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