# Category Archives: Class 8

Chapter 3 Squares and Square Roots – Exercise 3.1 | Set 1 Question 9. Find the greatest number of two digits which is a perfect… Read More
Question 1. Which of the following numbers are perfect squares? (i) 484 Solution: Prime factorization of 484 is 484 = 2×2×11×11 By grouping prime factors… Read More
Rational Numbers are the most fundamental subset of the collection of all numbers. A rational number represents the fraction of two integers where the denominator… Read More
Question 1: Write each of the following as percent: Explanation: To convert into percent, we need to multiply 100 into the given value. Note: Don’t… Read More
Reducing equations is a method of solving a complex equation and writing the equation into a simpler form. Not all the equations are in the… Read More
Numbers are the mathematical object used to count, measure, and label. The original examples are the natural numbers 1, 2, 3, 4, and so forth.… Read More
Chapter 3 Squares and Square Roots – Exercise 3.7 | Set 1 Question 11) 9998.0001 Solution: Hence, the square root of 9998.0001 is 99.99. Question… Read More
Question 1: Find the cube roots of the following numbers by successive subtraction of numbers: 1, 7, 19, 37, 61, 91, 127, 169, 217, 271,… Read More
Chapter 21 Mensuration II (Volume and Surface Areas of a Cuboid and a Cube) – Exercise 21.1 | Set 1 Question 12: A cuboidal block… Read More
Find the square root of the following numbers in the decimal form : Question 1) 84.8241 Solution: Hence, the square root of 84.8241 is 9.21.… Read More
Solve each of the following equations and verify your solution: Question 1: 9 (1/4) = y – 1 (1/3) Solution:  (37 / 4) = y… Read More
Question 1: Find the volume of cuboid whose: i) length = 12 cm, breadth = 8 cm and height = 6 cm ii) length =… Read More
Question 1: Plot the following points on a graph sheet. Verify if they lie on a line (a) A(4, 0), B(4, 2), C(4, 6), D(4,… Read More
Chapter 26 Data Handling IV (Probability) – Exercise 26.1 | Set 1 Question 11. A bag contains 4 red, 5 black and 6 white balls.… Read More
Chapter 6 Algebraic Expressions and Identities  – Exercise 6.3 | Set 1 Explain each of the products as monomials and verify the result in each… Read More