model 6 consumption & remaining Section-Wise Topic Notes With Detailed Explanation And Example Questions

Question : 1

Price of sugar rises by 20%. By how much percent should the consumption of sugar be reduced so that the expenditure does not change?

a) 15%

b) 10%

c) 20%

d) 16$2/3$%

Question : 2

Price of a commodity has increased by 60%. By what per cent must a consumer reduce the consumption of the commodity so as not to increase the expenditure ?

a) 60%

b) 37.5%

c) 37%

d) 40.5%

Question : 3

If food prices go up by 10%, by how much should a man reduce his consumption so as not to increase his expenditure?

a) The data is not sufficient

b) 10%

c) 9$1/11$%

d) 11$1/9$%

Question : 4

If the price of petrol be raised by 20%, then the percentage by which a car owner must reduce his consumption so as not to increase his expenditure on petrol is

a) 15$1/3$%

b) 16$2/3$%

c) 16$1/3$%

d) 15$2/3$%

Question : 5

The price of a commodity rises from 6 per kg to 7.50 per kg. If the expenditure cannot increase, the percentage of reduction in consumption is

a) 30%

b) 20%

c) 15%

d) 25%

Question : 6

In the new budget, the price of kerosene oil rose by 25%. By how much per cent must a person reduce his consumption of kerosene oil so that his expenditure on it does not increase ?

a) 40%

b) 25%

c) 20%

d) 50%