If one can of pure milk is to be mixed with three cans of water to make coffee…
2025
If one can of pure milk is to be mixed with three cans of water to make coffee then how many five litre can of pure milk are needed to prepare hundred servings of 3 litre of coffee ?
- A.
18
- B.
15
- C.
12
- D.
20
Attempted by 357 students.
Show answer & explanation
Correct answer: B
Answer: 15 five-litre cans.
Work:
Calculate total coffee required: 100 servings × 3 litres each = 300 litres.
Milk to water ratio is 1:3, so milk is 1 out of 4 parts: milk fraction = 1/4.
Milk required = 300 litres × 1/4 = 75 litres.
Each can holds 5 litres, so number of five-litre cans = 75 ÷ 5 = 15.
Therefore, 15 five-litre cans of pure milk are needed.