Rs aggarwal solutions
Grade 8 grade-arrow Mathematics subject-arrow Mathematics class 8th RS Aggarwal book-arrow Percentage chapter-arrow Percentage Exercise 9B exercise-arrow Question 4
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Percentage | Percentage Exercise 9B

Question 4

CHAPTERS

1. Rational Numbers

2. Exponents

3. Squares and Square Roots

4. Cubes and Cube Roots

5. Playing with Numbers

6. Operations on Algebraic Expressions

7. Factorisation

8. Linear Equations

9. Percentage

10. Profit and Loss

11. Compound Interest

12. Direct and Inverse Proportions

13. Time and Work

14. Polygons

15. Parallelograms

16. Construction of Quadrilaterals

17. Area of a Trapezium and a Polygon

18. Three-Dimensional Figures

19. Volume and Surface Area of Solids

20. Data Handling

21. Introduction to Coordinate Geometry

22. Line Graphs and Linear Graphs

23. Pie Charts

24. Probability

EXERCISES

1. Percentage Exercise 9A

2. Percentage Exercise 9B

5% of a number is 9. The number is

a) 45

b) 90

c) 135

d) 180

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Let us consider a number x

So, 5% of x = 9

5/100 × x = 9

5x = 900

x = 900/5 = 180

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Our top 5% students will be awarded a special scholarship to Lido.

subject-cta

Mathematics

Question 4

5% of a number is 9. The number is

a) 45

b) 90

c) 135

d) 180

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

Let us consider a number x

So, 5% of x = 9

5/100 × x = 9

5x = 900

x = 900/5 = 180

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta

Lido

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