Correct Answer - Option 2 : 24 days
Given:
Number of days of food stock for 240 men = 25 days
Concept used:
(M1 × D1 × H1)/W1 = (M2 × D2 × H2)/W2
Calculation:
M2 = 240 + 10 = 250
⇒ 240 × 25 = 250 × D2
⇒ D2 = (240 × 25)/250 = 24 days
∴ The number of days in which the food stock will be exhausted is 24 days.