Question

If 20 men can build a wall 56 m long in 6 days, then what length of wall can be built by 35 men in 3 days?
1. 60 m
2. 36 m
3. 49 m
4. 52 m

Answer 1

Correct Answer - Option 3 : 49 m

As we know,

(M₁ × D₂)/W₁ = (M₂ × D₂)/W₂

⇒ (20 × 6)/56 = (35 × 3)/W₂

⇒ W₂ = 105 × 56/120

∴ W₂ = 49 m