In a school, MID-Day meal food is sufficient for 250 students

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In a school, MID-Day meal food is sufficient for 250 students for 33 days. if each students is given 125 g meals. 80 more students joined the school. If same amount of meal is given to each student, then the food will last for

1. 20 days
2. 40 days
3. 30 days
4. 25 days

Correct Option: D

M₁ = 250, D ₁ = 33 days
per day meal W₁ = W₂ = 125 g
M₂ = (250 + 80) =330 and D₂=?
According to the formula
M₁D₁W₂ = M₂D₂W₁
250 x 33 x 125 = 330 x D₂x 125
⇒ D₂ = (250 x 33)/330
∴ D₂ = 25 days