Question

If the price of petrol increases by 25% and Benson intends to spend only an additional 15%
on petrol, by how much % will he reduce the quantity of petrol purchased?
A.8%
B.7%
C. 10%
D. 6%
E. None of these​

Answer 1

Answer:

Price of Petrol = 100

After increase = 125

He spends onlyRs.115

125x(100-R)/100=115

100-R=115x100/125=92

100-R=92

R = 100-92=8

He should reduce 8%