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Class 8 Maths Chapter 5 Ex 5.2  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 + 30 × 2 +

Class 8 Maths Chapter Ex 5.3  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: Class 8 Maths Chapter Ex 5.3 (i) One’s digit in the square root of 9801 maybe 1 or 9. (ii) One’s

Ncert Class 8 Math Chapter 5 Exercise 5.4 Question 1. Find the square root of each of the following numbers by Division method. (i) 2304 (ii) 4489 (iii) 3481 (iv) 529 (v) 3249 (vi) 1369 (vii) 5776 (viii) 7921 (ix) 576 (x) 1024 (xi) 3136 (xii) 900 Solution: Ncert Class 8 Math Chapter 5 Exercise

Ncert Class 8 Chapter 5 Exercise 5.1  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 (ii) Unit digit of 272²

Class 8 Maths Chapter 6 Ex 6.2 Question 1. Find the square of the following numbers. (i) 32 (ii) 35 (iii) 86 (iv) 93 (v) 71 (vi) 46 Solution: (i) 32 = 30 + 2 (32)² = (30 + 2)² = 30(30 + 2) + 2(30 + 2) = 30² + 30 × 2 +

Class 8 Maths Chapter 6 Ex 6.2 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:  Question 2. State True or False. (i) Cube of an odd

Ncert Class 8 math Chapter 7 Exercise 7.2      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 each? Solution:

Class 8 Maths Chapter 13 Ex 13.2 Question 1. Draw the graphs for the following tables of values, with suitable scales on the axes. (a) Cost of apples (b) Distance travelled by car. (i) How much distance did the car cover during the period 7:30 am to 8 am? (ii) What was the time when

Class 8 Maths Chapter 12 Exercise 12.3  Question 1. Carry out the following divisions. (i) 28×4 ÷ 56x (ii) -36y³ ÷ 9y² (iii) 66pq²r³ ÷ 11qr² (iv) 34x³y³z³ ÷ 51xy²z³ (v) 12a8b8 ÷  (-6a6b4) Solution:  Question 2. Divide the following polynomial by the given monomial. (i) (5x² – 6x) ÷ 3x (ii) (3y8 – 4y6 + 5y4) ÷ y4

Class 8 Maths Chapter 13 Ex 13.1 Class 8 Maths Chapter 13 Ex 13.1  Question 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 pm? (b) When was the patient’s temperature 38.5°C? (c) The patient’s temperature was the same two