NCERT Solutions Class 8 Mathematics Chapter 6 Squares And Square Roots
Exercise 6.1 Q.1) What will be the unit digit of the squares of the following numbers? (i) 81 (ii) 272 (iii) 799 (iv) 3853 (v) 1234 (vi) 26387 (vii) 52698 (viii) 99880 (ix) 12796 (x) 55555 Sol.1) (i) The number 81 contains its unit’s place digit 1. So, square of 1 is 1.…
NCERT Solutions Class 8 Mathematics Chapter 1 Rational Numbers
Q.2) Write the additive inverse of each of the following: i) 2/8 ii) − 5/9 iii) −6/−5 iv) 2/−9 v) 19/−6 Sol.2) (i) 2/8 , Here, −2/8 is the additive inverse of 2/8 because − 2/8 + 2/8 = 0 (ii) −…
NCERT Solutions Class 8 Mathematics Chapter 4 Practical Geometry
Exercise 4.1 Q.1) Construct the following quadrilaterals: (i) Quadrilateral ABCD, AB = 4.5 cm, BC = 5.5 cm, CD = 4 cm, AD = 6 cm, AC = 7 cm (ii) Quadrilateral JUMP, JU = 3.5 cm, UM = 4 cm, MP = 5 cm, PJ = 4.5 cm, PU = 6.5 cm (iii) Parallelogram MORE, OR = 6 cm, RE = 4.5 cm,…
NCERT Solutions Class 8 Mathematics Chapter 11 Mensuration
Exercise 11.1 Q.1) A square and a rectangular field with measurements as given in the figure have the same perimeter. Which field has a larger area? Sol.1) Given: The side of a square = 60 m And the length of rectangular field = 80 m According to question,…
NCERT Solutions Class 8 Mathematics Chapter 2 Linear Equations In One Variable
Exercise 2.1 Q.1) Solve the following equations. i) 𝑥 − 2 = 7 ii) 𝑦 + 3 = 10 iii) 6 = 𝑧 + 2 iv) 3/7 + 𝑥 = 17/7 v) 6𝑥 = 12 vi) 𝑡/5 = 10 vii) 2𝑥/3 = 18 viii) 1.6 = 𝑦/1.5 ix) 7𝑥 − 9 = 16 x) 14𝑦 − 8 = 13 xi) 17 + 6𝑝 = 9 xii) 𝑥/3…
NCERT Solutions Class 8 Mathematics Chapter 15 Introduction To Graphs
Exercise 15.1 Q.1) 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 was the patient’s temperature 38.5° C? (c) The patient’s temperature was the same two times during the…
NCERT Solutions Class 8 Mathematics Chapter 14 Factorisation
Exercise 14.1 Q.1) Find the common factors of the given terms. (i) 12𝑥, 36 (ii) 2𝑦, 22𝑥𝑦 (iii) 14𝑝𝑞, 28𝑝2𝑞2 (iv) 2𝑥, 3𝑥2, 4 (v) 6𝑎𝑏𝑐, 24𝑎𝑏2, 12𝑎2𝑏 (vi) 16𝑥3, −4𝑥2, 32𝑥 (vii) 10𝑝𝑞, 20𝑞𝑟, 30𝑟𝑝 (viii) 3𝑥2𝑦3, 10𝑥3𝑦2, 6𝑥2𝑦2𝑧 Sol.1) (i) 12𝑥 = 2 × 2 × 3 × 𝑥 36 = 2 × 2 × 3 × 3…
NCERT Solutions Class 8 Mathematics Chapter 5 Data Handling
Exercise 5.1 Q.1) Q.1. For which of these would you use a histogram to show the data? (a) The number of letters for different areas in a postman’s bag. (b) The height of competitors in an athletics meet. (c) The number of cassettes produced by 5 companies. (d) The number of…
NCERT Solutions Class 8 Mathematics Chapter 8 Comparing Quantities
Exercise 8.1 Q.1) Find the ratio of the following: (a) Speed of a cycle 15 km per hour to the speed of scooter 30 km per hour. (b) 50 m to 10 km (c) 50 paise to Rs.5 Sol.1) (a) Speed of cycle = 15 𝑘𝑚/ℎ𝑟 Speed of scooter = 30 𝑘𝑚/ℎ𝑟 Hence ratio of speed of cycle to that of…
CBSE Class 8 Maths Activity 13
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CBSE Class 8 Maths Activity 12
To make cuboids and cubes of given dimensions (4 x 3 x 2, 3 x 3 x 3) using unit cubes and to calculate the volume of each . Learning Objective : To establish formulae for finding volumes of a cuboid and a cube. Pre-requisite :Knowledge of volume. Materials…
CBSE Class 8 Maths Activity 11
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CBSE Class 8 Maths Activity 10
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CBSE Class 8 Maths Activity 9
Please refer to the link below - CBSE Class 8 Maths Activity 9