Question

Last year the price of petrol was Rs.45 per litre. Recently, the government increased the price of petrol to Rs.50 per litre. The percentage increase in the price of petrol is: ​

Answer 1

first we have to find by how much the cost has been increased to find that we have to subtract

50 - 45 = 5 and now we are going to find the percentage

profit percentage = profit ÷cost price x 100

5 ÷ 45 x 100

11.111111

so the profit % = 11.111%

Answer 2

Given:-

• Price of petrol in last was Rs.45 per litre.
• New price of petrol affter increment is Rs 50 per litre.

To Find:-

• Percentage increase in the of petrol?

solution:-

Let the percentage increase be x % . Find of all let's find out how much price of petrol increased??

• To find this just subtract the initial price from current price.

➨ increased price = Rs. ( 50 - 40 )

➨ Rs. 5

• ( increase amount /original amount ) × 10

⇛ x = 5/45 × 100

⇛x = 1/9 × 100

⇛x = 100/9

⇛x = 11.11 %