If the price of electricity is decreased by 20% and Varun decides to spend 10% less on
electricity. By how much percent does

2 thoughts on “If the price of electricity is decreased by 20% and Varun decides to spend 10% less on<br />electricity. By how much percent does”

1. Answer:

   12.5 % increase in consumption.

   Step-by-step explanation:

   Assume 100 units price as Rs. 100.

   1. Since price decrease by 20 % ( 1/5 ) , consumption increases by 25% (1/4).(#using price 1 x cons 1 = price 2 x cons 2 )

   2. Therefore, consumption is now 125 units whose price is 125 Rs.

   3. Now varun wants to spend 10 % less . i.e; 10% of 125 = 12.5 less

   Therefore he wants to spend 112.5 Rs. That means he must consume 112.5 units.

   4. Therefore it is 12.5 % more than 100 .

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2. 10% of electricity.consumption get affected

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