# 8.Math -Profit And Loss

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1. The price of petrol increased by 25%. By what percentage must a customer reduce the consumption so that the earlier bill on the petrol does not alter ?
1. 20%
2. 25%
3. 30%
4. 33.33%
1. In a new budget, the price of petrol rose by 25%. By how much percent must a person reduce his consumption so that his expenditure on it does not increase?

(1) 10%

(2) 15%

(3) 20%

(4) 25%

Ans: 3
1. Sanjay sold an article at a loss of 25%. If the selling price had been increased by Rs. 175, there would have been a gain of 10%. What was the cost price of the article?

(1) Rs. 350

(2) Rs. 400

(3) Rs. 500

(4) Rs. 750

Ans: 3
1. If the radius of a circle is increased by 50%, the perimeter of the circle will increase by
1. 20%
2. 30%
3. 40%
4. 50%
1. The length of the side of a square (5.0 cm x 5.0 cm) is increased by 1%. By what percentage (%), the area of the square increases?

(1) 1% (2) 2%

(3) 2.5 % (4) 4%

Ans. 2
1. The length of the side of a square (5.0 cm x 5.0 cm) is increased by 1%. By what percentage (%), the area of the square increases?

(1) 1% (2) 2%

(3) 2.5 % (4) 4%

Ans. 2
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