**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 ?**

- 20%
- 25%
- 30%
- 33.33%

[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show More” collapse_text=”Show Less” ]Answer : (1)[/bg_collapse]

**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%

[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show More” collapse_text=”Show Less” ]Ans: 3[/bg_collapse]

**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

[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show More” collapse_text=”Show Less” ]Ans: 3[/bg_collapse]

**If the radius of a circle is increased by 50%, the perimeter of the circle will increase by**

- 20%
- 30%
- 40%
- 50%

[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show More” collapse_text=”Show Less” ]Answer : (4)[/bg_collapse]

**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%

[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show More” collapse_text=”Show Less” ]Ans. 2[/bg_collapse]

**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%

[bg_collapse view=”button-orange” color=”#4a4949″ expand_text=”Show More” collapse_text=”Show Less” ]Ans. 2[/bg_collapse]