UGC NET Paper 1 GA 2011 June Solved Paper

Question : 22 of 60

Marks: +1, -0

The price of oil is increased by 25%. If the expenditure is not allowed to increase, the ratio between the reduction in consumption and the original consumption is

1 : 3
1 : 4
1 : 5
1 : 6

Validate

Solution:

Let the original price of oil is ₹ 100 per liter.
Price increases by 25%
Then new price = ₹ 125 per liter.
Then price of 1 liter of oil

= 100 /125 = ₹ 4/ 5

Reduction in consumption

= (1 -4/5) = 1/5

∴ Required ratio

= 1/{5/1}=1:5

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