If 8 men can reap 80 hectares in 24 days, then how many hectares can 36 men…

Answer: 450

Explanation:

• Work is proportional to number of men × number of days (man-days).

• Initial: 8 men × 24 days = 192 man-days produce 80 hectares.

• One man-day produces 80/192 = 5/12 hectare.

• New: 36 men × 30 days = 1080 man-days; area = 1080 × (5/12) = 450 hectares.

• Alternate direct proportion: multiply 80 by (36/8) × (30/24) = 80 × 4.5 × 1.25 = 450.