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5 men or 3 women can do a work in 24 days. How long 5 men and 6 women take to do it?
1. 4 days
2. 8 days
3. 12 days
4. 16 days

1 Answer

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Best answer
Correct Answer - Option 2 : 8 days

Given:

5 men can do work in = 24 days

3 women can do work in = 24 days

Formula Used:

Number of people × Number of days = Total work

Calculation:

According to question

5M = 3W

So,

⇒ (5/3)M = W

Total work done by all 5 men = 24 × 5M                                 …………………………(1)

Now,

Number of people × Number of days = Total work

⇒ (5M + 6W) × Number of days = 24 × 5M                                     ………………………. (2)                        

From equation (1) and (2)

⇒ (5M + 6 × 5M/3) × Number of days = 24 × 5M

⇒ (5M + 10M) × Number of days = 24 × Number of days

⇒ Number of days = 24 ×  5M/15M

⇒ Number of days = 8

∴ 5 men and 6 women will complete the same work in 8 days.

The correct option is 2 i.e. 8 days

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