Maths Class 8 CBSE Board

Solutions For All Chapters Maths Class 8 Ex 8.2 Class 8 Maths Question 1. Find the product of the following pairs of monomials. (i) 4, 7p (ii) -4p, 7p (iii) -4p, 7pq (iv) 4p³, -3p (v) 4p, 0 Solution: (i) 4 × 7p = (4 × 7) × p = 28p (ii) -4p × 7p […]

Solutions For All Chapters Maths Class 8 Ex 8.1 Class 8 Maths Question 1. Add the following. (i) ab – bc, bc – ca, ca – ab (ii) a – b + ab, b – c + bc, c – a + ac (iii) 2p2q2 – 3pq + 4, 5 + 7pq – 3p2q2 (iv) l2 + m2, m2 + n2, […]

Solutions For All Chapters Maths Class 8 Ex 7.2 Class 8 Maths Question 1. During a sale, a shop offered a discount of 10% on the marked prices of all the items. What would a customer have to pay for a pair of jeans marked at ₹ 1450 and two shirts marked at ₹ 850 […]

Solutions For All Chapters Maths Class 8 Ex 7.1 Class 8 Maths Question 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) 5 m to 10 km (c) 50 paise to ₹ 5 Solution: (a) Speed of cycle […]

Solutions For All Chapters Maths Class 8 NCERT Solutions for Class 8 Maths Chapter 6 Squares and Square Roots Ex 6.3  

Solutions For All Chapters Maths Class 8 Ex 6.2 Class 8 Maths Question 1. Find the cube root of each of the following numbers by prime factorisation method. (i) 64 (ii) 512 (iii) 10648 (iv) 27000 (v) 15625 (vi) 13824 (vii) 110592 (viii) 46656 (ix) 175616 (x) 91125 Solution: Ex 6.2 Class 8 Maths Question […]

Solutions For All Chapters Maths Class 8 Ex 6.1 Class 8 Maths Question 1. Which of the following numbers are not perfect cubes? (i) 216 (ii) 128 (iii) 1000 (iv) 100 (v) 46656 Solution: (i) Prime factorisation of 216 is: 216 = 2 × 2 × 2 × 3 × 3 × 3 In the […]

Solutions For All Chapters Maths Class 8 Ex 5.3 Class 8 Maths Question 1. What could be the possible ‘one’s’ digits of the square root of each of the following numbers? (i) 9801 (ii) 99856 (iii) 998001 (iv) 657666025 Solution: (i) One’s digit in the square root of 9801 maybe 1 or 9. (ii) One’s […]

Solutions For All Chapters Maths Class 8 Ex 5.2 Class 8 Maths Question 1. Find the square of the following numbers. (i) 32 (ii) 35 (iii) 86 (iv) 93f (v) 71 (vi) 46 Solution: (i) 32 = 30 + 2 (32)² = (30 + 2)² = 30(30 + 2) + 2(30 + 2) = 30² […]

Solutions For All Chapters Maths Class 8 Ex 5.1 Class 8 Maths Question 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) 20387 (vii) 52698 (viii) 99880 (ix) 12796 (x) 55555 Solution: (i) Unit digit of 81² = 1 […]

Solutions For All Chapters Maths Class 8 NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.5 Draw the following: Ex 4.5 Class 8 Maths Question 1. The square READ with RE = 5.1 cm. Solution: Construction: Step I: Draw RE = 5.1 cm. Step II: Draw an angle of 90° at E […]

Solutions For All Chapters Maths Class 8 NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.4 Ex 4.4 Class 8 Maths Question 1. Construct the following quadrilaterals: (i) Quadrilateral DEAR DE = 4 cm, EA = 5 cm, AR = 4.5 cm, ∠E = 60°, ∠A = 90° (ii) Quadrilateral TRUETR = […]

Solutions For All Chapters Maths Class 8 NCERT Solutions for Class 8 Maths Chapter 4 Practical Geometry Ex 4.3 Ex 4.3 Class 8 Maths Question 1. Construct the following quadrilaterals: (i) Quadrilateral MORE MO = 6 cm, ∠R = 105°, OR = 4.5 cm, ∠M = 60°, ∠O = 105° (ii) Quadrilateral PLAN PL = […]

Solutions For All Chapters Maths Class 8 Ex 4.2 Class 8 Maths Question 1. List the outcomes you can see in these experiments. (i) Spinning a wheel (ii) Tossing two coins together Solution: (i) On spinning the wheel, we can get the following outcomes B, C, D, E and A. (ii) When two coins are […]

Solutions For All Chapters Maths Class 8 Ex 4.1 Class 8 Maths Question 1. A survey was made to find the type of music that a certain group of young people liked in a city. The adjoining pie chart shows the findings of this survey. From this pie chart answer the following: (i) If 20 […]

Solutions For All Chapters Maths Class 8 Ex 3.4 Class 8 Maths Question 1. State whether True or False. (a) All rectangles are squares. (b) All rhombuses are parallelograms. (c) All squares are rhombuses and also rectangles. (d) All squares are not parallelograms. (e) All kites are rhombuses. (f) All rhombuses are kites. (g) All […]

Solutions For All Chapters Maths Class 8 Class 8 Exercise 3.3 Question Answer

Solutions For All Chapters Maths Class 8 Ex 3.2 Class 8 Maths Question 1. Find x in the following figures. Solution: (a) We know that the sum of all the exterior angles of a polygon = 360° 125° + 125° + x = 360° ⇒ 250° + x = 360° x = 360° – 250° […]

Solutions For All Chapters Maths Class 8 Ex 3.1 Class 8 Maths Question 1. Given here are some figures. Classify each of the above figure on the basis of the following: (a) Simple curve (b) Simple closed curve (c) Polygon (d) Convex polygon (e) Concave polygon Solution: (a) Simple curve: (1), (2), (5), (6) and […]

Solutions For All Chapters Maths Class 8 NCERT Solutions for Class 8 Maths Chapter 2 Linear Equations in One Variable Ex 2.6 Ex 2.6 Class 8 Maths Question 1. 8x-3/3x =2 Solution: We have 8x-3/3x =2 ⇒ 8x-3/3x = 2/1 ⇒ 8x – 3 = 2 × 3x (Cross-multiplication) ⇒ 8x – 3 = 6x […]

Solutions For All Chapters Maths Class 8 NCERT Solutions for Class 8 Maths Chapter 2 Linear Equations in One Variable Ex 2.5

Solutions For All Chapters Maths Class 8 NCERT Solutions for Class 8 Maths Chapter 2 Linear Equations in One Variable Ex 2.4 Ex 2.4 Class 8 Maths Question 1. Amina thinks of a number and subtracts 5/2 from it. She multiplies the result by 8. The result now obtained is 3 times the same number […]

Solutions For All Chapters Maths Class 8 NCERT Solutions for Class 8 Maths Chapter 2 Linear Equations in One Variable Ex 2.3

Solutions For All Chapters Maths Class 8 Ex 2.2 Class 8 Maths Question 1. Solution: ⇒ 30x – 12 = 20x + 15 ⇒ 30x – 20x = 15 + 12 (Transposing 20x to LHS and 12 to RHS) ⇒ 10x = 27 ⇒ x = 27/10 Ex 2.2 Class 8 Maths Question 2. Solution: […]

Solutions For All Chapters Maths Class 8 Ex 2.1 Class 8 Maths Question 1. 3x = 2x + 18 Solution: We have 3x = 2x + 18 ⇒ 3x – 2x = 18 (Transposing 2x to LHS) ⇒ x = 18 Hence, x = 18 is the required solution. Check: 3x = 2x + 18 […]

Solutions For All Chapters Maths Class 8 NCERT Solutions for Class 8 Maths Chapter 1 Rational Numbers Exercise 1.2 Ex 1.2 Class 8 Maths Question 1. Represent these numbers on the number line (i) 7/4 (ii) -5/6 Solution: (i) 7/4 Here, point A represents 7/4 on the number line. (ii) -5/6 Here, point B represents […]

Solutions For All Chapters Maths Class 8 Ex 1.1 Class 8 Maths Question 1. Name the property under multiplication used in each of the following: Solution: (i) Commutative property of multiplication (ii) Commutative property of multiplication (iii) Multiplicative inverse property Ex 1.1 Class 8 Maths Question 2. Tell what property allows you to compute Solution: […]

Chapter 1 – A Square and A Cube Chapter 2 – Power Play Chapter 3 – A Story of Numbers Chapter 4 – Quadrilaterals Chapter 5 – Number Play Chapter 6 – We Distribute, Yet Things Multiply Chapter 7 – Proportional Reasoning-1

Algebraic Expressions and Identities Q 1 – Ex 9.5 – Algebraic Expressions and Identities – NCERT Maths Class 8th – Chapter 9 https://www.youtube.com/watch?v=OZv9JSahAE8 Q 2 – Ex 9.5 – Algebraic Expressions and Identities – NCERT Maths Class 8th – Chapter 9 https://www.youtube.com/watch?v=xGWIw5SRSXs Q 3 – Ex 9.5 – Algebraic Expressions and Identities – NCERT Maths […]

Algebraic Expressions and Identities Q 2 – Ex 9.3 – Algebraic Expressions and Identities – NCERT Maths Class 8th – Chapter 9 Q 3 – Ex 9.3 – Algebraic Expressions and Identities – NCERT Maths Class 8th – Chapter 9 Q 4 – Ex 9.3 – Algebraic Expressions and Identities – NCERT Maths Class 8th […]

Mensuration Q 2 – Ex 11.4 – Mensuration – NCERT Maths Class 8th – Chapter 11 Q 3 – Ex 11.4 – Mensuration – NCERT Maths Class 8th – Chapter 11 Q 5 – Ex 11.4 – Mensuration – NCERT Maths Class 8th – Chapter 11 Q 6 – Ex 11.4 – Mensuration – NCERT […]

Direct and Inverse Proportions Q 1 – Ex 13.2 – Direct and Inverse Proportions – NCERT Maths Class 8th – Chapter 13 Q 2 – Ex 13.2 – Direct and Inverse Proportions – NCERT Maths Class 8th – Chapter 13 Q 4 – Ex 13.2 – Direct and Inverse Proportions – NCERT Maths Class 8th […]

Factorisation Q 2 – Ex 14.4 – Factorization – NCERT Maths Class 8th – Chapter 14 https://www.youtube.com/watch?v=N309vRTN4uE Q 3 & Q 5 – Ex 14.4 – Factorization – NCERT Maths Class 8th – Chapter 14 Q 6 & Q 7 – Ex 14.4 – Factorization – NCERT Maths Class 8th – Chapter 14 https://www.youtube.com/watch?v=RHNSS9ZcwP8 Q […]

Factorisation Q 1 – Ex 14.3 – Factorization – NCERT Maths Class 8th – Chapter 14 Q 2 – Ex 14.3 – Factorization – NCERT Maths Class 8th – Chapter 14 Q 3 – Ex 14.3 – Factorization – NCERT Maths Class 8th – Chapter 14 Q 4 – Ex 14.3 – Factorization – NCERT […]