Ncert solutions

BOOKS

1. NCERT Solutions - Mathematics , Class 8

CHAPTERS

1. Rational Numbers

2. Linear Equations in One Variable

3. Understanding Quadrilaterals

4. Data Handling

5. Squares and Square Roots

6. Cubes and Cube Roots

7. Comparing Quantities

8. Algebraic Expressions and Identities

9. Visualising Solid Shapes

10. Mensuration

11. Exponents and Powers

12. Direct and Inverse Proportions

13. Factorisation

14. Introduction to Graphs

15. Playing with Numbers

EXERCISES

1. Exercise 12.1

2. Exercise 12.2

Q1) Express the following numbers in standard form.

(i) 0.0000000000085

(ii) 0.00000000000942

(iii) 6020000000000000

(iv) 0.00000000837

(v) 31860000000

Q2) Express the following numbers in usual form.

(i) 3.02 ×10^{-6}

(ii) 4.5 × 10^4

(iii) 3 ×10^{-8}

(iv) 1.0001 ×10^9

(v) 5.8 ×10^{12}

(vi) 3.61492 × 10^6

Q3) Express the number appearing in the following statements in standard form.

(i) 1 micron is equal to 11000000 m.

(ii) Charge of an electron is 0.000,000,000,000,000,000,16 coulomb.

(iii) Size of a bacteria is 0.0000005 m

(iv) Size of a plant cell is 0.00001275 m

(v) Thickness of a thick paper is 0.07 mm

Q4) In a stack there are 5 books each of thickness 20mm and 5 paper sheets each of

thickness 0.016 mm. What is the total thickness of the stack.

Want to top your mathematics exam ?

Learn from an expert tutor.

Mathematics

Science

NCERT Solutions - Mathematics , Class 8

Rational Numbers

Linear Equations in One Variable

Understanding Quadrilaterals

Data Handling

Squares and Square Roots

Cubes and Cube Roots

Comparing Quantities

Algebraic Expressions and Identities

Visualising Solid Shapes

Mensuration

Exponents and Powers

Direct and Inverse Proportions

Factorisation

Introduction to Graphs

Playing with Numbers

Exercise 12.1

Exercise 12.2

Lido

Courses

Race To Space

Quick Links

Terms & Policies