Question
The length of a rectangle is increased by 20% and the breadth is decreased by 10%. What is the percentage change in the area of the rectangle?
Solution
ATQ, 20 - 10 + (20*-10)/100 = 10 - 2 = +8%.
More Percentage Questions
- Rajesh spent 15% of his income on savings and out of the remaining amount, he spent 40% on bills, 30% on groceries, 10% on transportation, and saved Rs. 18...
- Rajesh spent 44% of his monthly income on food and 56% of the remaining of study. If total monthly savings (after spending on food and study) of Rajesh is ...
- Out of 840 students in a college, the proportion of boys to girls is 3:4. In the midterm exam, 15% of boys and 10% of girls failed. How many students faile...
- If the length of a rectangle is increased by 60%, what would be the percentage decrease (correct to the nearest integer) in the width to maintain the same ...
- The ratio of income and expenditure of a person is 7 : 5, respectively. If the income and expenditure of the person are increased by 20% and 12% respective...
- In a company-wide survey, it was discovered that 20% of the employees own a car. Among the remaining employees, 30% have either an Activa or a bike. The re...
- If 20% of a = b, then b% of 20 is the same as:
- Ravi scored 35% in an exam and failed by 40 marks. Meena scored 50% and crossed the passing mark by 20 marks. What are the passing marks of the test?
- The monthly income of Vivek and Sohan together is Rs. 46000. The income of Vivek and Sohan is increased by 20% and 30% respectively. The new income of Soha...
- If 33.5% of a number is 11.75, then what is the number?
Relevant for Exams:
