Q8 of 52 Page 117

Three years before from today a family had planned to reduced the expenditure of electric bill by 5% in comparison to its previous year. 3 year before, that family had to spend ₹4000 in a year for electric bill. Let us write by calculating how much amount will the family have to spend to pay the electric bill in the present year.

The amount the family had to spend for electric bill 3 years before was ₹4000.


Let amount that the family have to spend to pay the electric bill in the present year be x.


∴ At present the amount that has to be paid


By the condition,



∴ x = ₹3429.5


∴ The amount that the family have to spend to pay the electric bill in the present year is ₹3429.5.


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