30 men can repair a road in 18 days. They are joined by

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30 men can repair a road in 18 days. They are joined by 6 more workers. Now the road can be repaired in

1. 14 days
2. 15 days
3. 16 days
4. 17 days

Correct Option: B

Using Rule 1,
M₁D₁ = M₂D₂
⇒ 30 × 18 = 36 × D₂

⇒ D₂ =	30 × 18	= 15 days
	36