Question

Ex: If the price of petrol is first
increased by 20% and then
decreased by 20% what is the
effect on the price of the petrol​

Answer 1

Answer:

Decrease by 4%

Step-by-step explanation:

Let the price of petrol be Rs.100

So if we increase by 20% the price becomes Rs.120

Now again if we decrease by 20% we get Rs.96

Therefore the overall change is decrease by 4%

Answer 2

Answer:

In last Price of petrol decreased by 4%.

Step-by-step explanation:

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