April 5, 2025Chapter 8 Algebraic Expressions and Identities solutionsExercise 8.1 Q1. Add the following:(i) ab – bc, bc – ca, ca – abAns: (ab – bc) + (bc – ca) + (ca-ab)= ab – bc […]
April 5, 2025Chapter 8 Algebraic Expressions and Identities solutions Part 2Exercise 8.3 Q1. Carry out the multiplication of the expressions in each of the following pairs.(i) 4p, q + r Ans: (4p) × (q + r) = (4p × […]
April 5, 2025Chapter 9 Mensuration solutionsExercise 9.1 Q1. The shape of the top surface of a table is a trapezium. Find its area if its parallel sides are 1 m and […]
April 5, 2025Chapter 10 Exponents and Powers solutionsExercise 10.1Q1: Evaluate (i) 3-2Sol: (i) To evaluate an expression of the form a-n,where a is a base and n is a positive exponent, we use the […]
April 5, 2025Chapter 11 Direct and Inverse Proportions solutionsTable of contents Try These(Page No. 132) Q1: Observe the following tables and find if x and y are directly proportional. i.e. Each ratio is the […]
April 5, 2025Chapter 13 Introduction to Graphs solutionsExercise 13.1Q1: The following graph shows the temperature of a patient in a hospital, recorded every hour. (a) What was the patient’s temperature at 1 p.m.?(b) When […]