KSEEB Solutions for Class 8 Maths Chapter 10 Exponents Ex 10.5 Karnataka Board Class 8 Maths Chapter 10 Exponents Ex 10.5 Question 1. Simply Question 3. Which is larger (100)4 or (125)3? Answer: (100)4 = [(10)2]4 = 102×4 =108 = (2 x 5)8 = 28 x 58 (125)3 = (53)3 = 53×3 = 59 We know that 5 x 58 = 59 In the … Read more
KSEEB Solutions for Class 8 Maths Chapter 10 Exponents Ex 10.4 Karnataka Board Class 8 Maths Chapter 10 Exponents Ex 10.4 Question 1. Question 2. Can you find two integers m and n such that 2m+“ = 2m”? Answer: m + n = mn 2 + 2 = 2 x 2 4 = 4 ∴ … Read more
KSEEB Solutions for Class 8 Maths Chapter 10 Exponents Ex 10.3 Karnataka Board Class 8 Maths Chapter 10 Exponents Ex 10.3 Question 1. Simplify: (i) 10-1 x 102 x 10-3 x 104 x 10–5 x 106 (ii) 2³×3²×54/33×52×24 Answer: (i) 10-1 x 102 x 10-3 x 104 x 10–5 x 106 (ii) 2³×3²×54/33×52×24 Question 2. Which is larger (34 × 23) or (25 × 32) Answer: 34 × 23 = … Read more
KSEEB Solutions for Class 8 Maths Chapter 10 Exponents Ex 10.2 Karnataka Board Class 8 Maths Chapter 10 Exponents Ex 10.2 Question 1. Simplify i. 31 × 32 × 33 × 34 × 3s × 36 ii. 22 × 33 × 24 × 35 × 36 Answer: i. 31+2+3+4+5+6 = 321 [am x an = am+n] ii. 22 × 33 × 24 × 35 × 36 [am x an = am+n] = 22+4 × 33+5+6 … Read more
KSEEB Solutions for Class 8 Maths Chapter 10 Exponents Ex 10.1 Karnataka Board Class 8 Maths Chapter 10 Exponents Ex 10.1 Question 1. Express the following numbers in the exponential form. i. 1728 ii. 1/512 iii. 0.000169 Answer: i. 1728 = 12 x 12 x 12 1728 = 123 ii. iii. 0.000169 = (0.013)-2 Question 2. … Read more
KSEEB Solutions for Class 8 Maths Chapter 9 Commercial Arithmetic Additional Questions Karnataka State Syllabus Class 8 Maths Chapter 9 Commercial Arithmetic Additional Questions Question 1. Four alternative options are given for each of the following statements. Select the correct option. (a) Nine per cent of Rs. 700 is A. Rs. 63 B. Rs. 630 … Read more
KSEEB Solutions for Class 8 Maths Chapter 9 Commercial Arithmetic Ex 9.6 Karnataka Board Class 8 Maths Chapter 9 Commercial Arithmetic Ex 9.6 Question 1. A person purchases the following items from a mall for which the sales tax is mentioned against. (a) Stationary materials for Rs. 250 and sales tax of 4% there on. … Read more
KSEEB Solutions for Class 8 Maths Chapter 9 Commercial Arithmetic Ex 9.5 Karnataka Board Class 8 Maths Chapter 9 Commercial Arithmetic Ex 9.5 Question 1. Find the simple interest on Rs. 2500 for 4 years at 6 1/4 % per annum. Answer: P = Rs. 2500 T = 4 years Simple interest is Rs. 625. Question 2. … Read more
KSEEB Solutions for Class 8 Maths Chapter 9 Commercial Arithmetic Ex 9.4 Karnataka Board Class 8 Maths Chapter 9 Commercial Arithmetic Ex 9.4 Question 1. Sindu sells her scooty for Rs. 28,000 through a broker. The rate of brokerage is 2%. Find the commission that the agent gets and the net amount Sindhu gets. Answer: … Read more
KSEEB Solutions for Class 8 Maths Chapter 9 Commercial Arithmetic Ex 9.3 Karnataka Board Class 8 Maths Chapter 9 Commercial Arithmetic Ex 9.3 Question 1. An article marked Rs. 800 is sold for Rs. 704. Find the discount and discount percent. Answer: M.P = Rs. 800. S.P = Rs. 704 Discount = MP – S.P … Read more