The price of tea being increased by 20%, a man reduces his consumption by 20%. By how much percent will his expenses for tea be decreased?

A 2%

B 4%

C 6%

D 8%

Solution

Correct Answer: Option B

Let original consumption = 100 units And original price = 100 taka per unit. Original expenditure = . (100 × 100) = 10000 taka New expenditure = (120 × 80) =9600 Taka So ,decrease in price = (10,000 -9600)/10,000 X 100 =4 %

Solution

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