The price of oil is increased by 20%,as a result a family decrease consumption by 25%.The expenditure of the family on oil will be 1).90%increase 2).10%incraese 3).90%decrease 4).10%increase.

1 Answer

Answer :

4).10%increase.

Exp: (120/100)×(75/100)×100=90.

100-90=10%(should be decrease)

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