25 men can consume 250 kg of wheat in 20 days. 20 men can consume how much wheat in 25 days?

A. 200
B. 250
C. 300
D. 350

Solution:
Work ∝ Men × Days
Total consumption = 250 kg
1 man-day consumption = 250 ÷ (25 × 20) = 0.5 kg
For 20 × 25 = 500 man-days → 500 × 0.5 = 250 kg
Answer: B