Question

8 people do one job in 25 days, then in how many days will 10 people do the same work?
1. 15
2. 18
3. 20
4. 21

Answer 1

Correct Answer - Option 3 : 20

Given:

People₁ = 8  ,  days₁ = 25 

People₂ = 10 ,  days₂  = ?

Formula used:

Man₁ × Day₁ = Man₂ × Day₂

Calculation:

8 × 25 = 10 × Days

⇒ days = 200/10 = 20

∴ The required days is 20 days