Author name: khushikhanera

Q1. If A, B and C are three points on a line, and ‘B’ lies between ‘A’ and ‘C’ (as shown […]

Q1. Write each of the following is an equation in two variables:(i) x = –3(ii)y = 2(iii) 2x = 3(iv) 2y

1. Fill in the blanks:(i) The abscissa of the origin is ____.(ii) The ordinate of the point (–5, 3) is ____.(iii)

Multiple Choice Questions Q1: If x/y + y/x = -1 and (xy, ≠ 0), the value of x3 – y3 is(a) 1(b)

Multiple Choice Questions Q1: If x/y + y/x = -1 and (xy, ≠ 0), the value of x3 – y3 is(a) 1(b) -1(c) 0(d) 2 Q2:

Q.1. What is the value of (23)2? Solution: (23)2 = 23×2           [∵ (xm)n = xm.n] = 26 =2 x 2

Q.1. Which of the following is an irrational number? (a)  (b) √3(c) 1/2 (d)  Ans.An irrational number is a number

Introduction Every day we come across a lot of information in the form of facts, numerical figures, tables, graphs, etc.

Introduction Understanding Surface Area and Volume Wrapping Paper Try yourself: What is the difference between surface area and volume? Surface