If the price of the kerosene was raised by 10%,find by how much percent a householder must reduce his consumption of kerosene so that not to increase his expenditure?
a]28% b]20% c]10.08% d]10%
Raised price of kerosene is 110/100 of the original price
hence consumption should become 100/110 of the original consumption so as to keep the expenditure same
reduction = [1-100/10] of original consumption = 10/100 of original consumption= [10/100] * 100 = 9.09%
a]28% b]20% c]10.08% d]10%
Raised price of kerosene is 110/100 of the original price
hence consumption should become 100/110 of the original consumption so as to keep the expenditure same
reduction = [1-100/10] of original consumption = 10/100 of original consumption= [10/100] * 100 = 9.09%
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