Wipro Company Numerical Ability Percentage

If the price of petrol increases by 25%, by how much must a user cut down his consumption so that his expenditure on petrol remains constant?
A. 20%
B. 16.67%
C. 25%
D. 33.33%
E. 30%

Read Solution (Total 1)

let the petrol 1 unit initial price be rs 100.
25% increase on rs 100= rs 125
since expenditure to remain constant
125*x= 100*1
x=.80 unit
therefore consumer reduces =.20 unit i.e 20%
ans: a
12 years agoHelpfull: Yes(6) No(3)

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