Haryana Police Constable Model Paper 6

Question : 52 of 100

Marks: +1, -0

The price of milk increased to

20%

then how much should the consumption be reduced to maintain the monthly expenditure on milk?

Solution:

Given:
Price of milk = Increased

20%

Formula used:
Reduction in consumption to maintain the expenditure is

(\r/(100 + \r)) × 100%

Calculations:
Reduction in consumption of milk

= (20/(1{00 + 20})) ×100

⇒ (20/120) × 100 = 1623%

∴ Reduction in consumption of milk is $16{2/3}%$

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