Chapter 8 Quadrilateral: Constructions and Types Set 8.2
Chapter 8 Quadrilateral: Constructions and Types Set 8.2 Question 1. Draw a rectangle ABCD such that l(AB) = 6.0 cm and l(BC) = 4.5 cm. Solution: Question 2. Draw a…
Chapter 8 Quadrilateral: Constructions and Types Set 8.1
Chapter 8 Quadrilateral: Constructions and Types Set 8.1 Construct the following quadrilaterals of given measures. Question 1. In ∆MORE, l(MO) = 5.8 cm, l(OR) = 4.4 cm, m∠M = 58°,…
Chapter 7 Variation Set 7.3
Chapter 7 Variation Set 7.3 Question 1. Which of the following statements are of inverse variation? i. Number of workers on a job and time taken by them to complete…
Chapter 7 Variation 7.2
Chapter 7 Variation 7.2 Question 1. The information about number of workers and number of days to complete a work is given in the following table. Complete the table. Number…
Chapter 7 Variation Set 7.1
Chapter 7 Variation Set 7.1 Question 1. Write the following statements using the symbol of variation. Circumference (c) of a circle is directly proportional to its radius (r). Consumption of petrol…
Chapter 6 Factorisation of Algebraic Expressions Set 6.4
Chapter 6 Factorisation of Algebraic Expressions Set 6.4 Question 1.
Chapter 6 Factorisation of Algebraic Expressions Set 6.3
Chapter 6 Factorisation of Algebraic Expressions Set 6.3 Question 1. Factorize Solution: i. y³ – 27 = y³ – (3)³ Here, a = y and b = 3 ∴ y³…
Chapter 6 Factorisation of Algebraic Expressions Set 6.2
Chapter 6 Factorisation of Algebraic Expressions Set 6.2 Question 1. Factorise: i. x³ + 64y³ ii. 125p³ + q³ iii. 125k³ + 27m³ iv. 2l³ + 432m³ v. 24a³ +…
Chapter 6 Factorisation of Algebraic Expressions 6.1
Chapter 6 Factorisation of Algebraic Expressions 6.1 Question 1. Factorize: i. x² + 9x + 18 ii. x² – 10x + 9 iii. y² + 24y + 144 iv. 5y²…
Chapter 5 Expansion Formulae Set 5.4
Chapter 5 Expansion Formulae Set 5.4 Question 1. Expand: i. (2p + q + 5)² ii. (m + 2n + 3r)² iii. (3x + 4y – 5p)² iv. (7m –…