Subject
Bank Exam
Topic
Rupali Bank 2013 (Sr. Officer)
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?
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?
ক)
2%খ)
4%গ)
6%ঘ)
8%Explanation
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 % Related questions
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