In a farm 50 hens lays 200 eggs in 2 days, how many days that 20 hens to lay…
2025
In a farm 50 hens lays 200 eggs in 2 days, how many days that 20 hens to lay 400 eggs ?
- A.
10 days
- B.
12 days
- C.
7 days
- D.
8 days
Attempted by 36 students.
Show answer & explanation
Correct answer: A
Answer: 10 days
Reasoning:
Compute the egg rate per hen per day: 50 hens produce 200 eggs in 2 days, so one hen produces 200 ÷ (50 × 2) = 2 eggs per day.
Find the required number of days: 20 hens produce 20 × 2 = 40 eggs per day, so to get 400 eggs need 400 ÷ 40 = 10 days.
Alternative view (scaling): In 2 days, 50 hens → 200 eggs, so 20 hens in 2 days give (20/50) × 200 = 80 eggs. To reach 400 eggs you need 400 ÷ 80 = 5 times that duration: 5 × 2 days = 10 days.