Maths Class 8 CBSE Board

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 […]