The ratio of the prices of tea to coffee is 3 : 5 and the ratio of their quantities consumed by a family is 5 : 7. Find the ratio of expenditure on tea to coffee.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 3 : 7.
Expenditure = Price × Quantity
Expenditure ratio = (3 × 5) : (5 × 7) = 15 : 35 = 3 : 7