NCERT Class 8

Example 3 : If the cost price of 10 shirts is equal to the selling price of 8 shirts, then which of the following is true for the transaction? Example 3 : If the cost price of 10 shirts is equal to the selling price of 8 shirts then which of the following is true [...]

Example 2 : If 7/3 % of a number is 42, then the number is Example 2 : If 7/3 % of a number is 42 then the number is August 1, 2021 Category: Chapter 8 - Comparing Quantities , Maths , NCERT Class 8 ,

Example 1 : A shirt with marked price Rs 800 was sold at Rs 680. The rate of discount allowed on the shirt is Example 1 : A shirt with marked price Rs 800 was sold at Rs 680. The rate of discount allowed on the shirt is August 1, 2021 Category: Chapter 8 - [...]

By what number should (-8)^-3 be x so that the product maybe (-6)^-3 By what number should (-8)^-3 be x so that the product maybe (-6)^-3 August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,

The diameter of the sun is 1.4 x 10^9m and the diameter of the earth is 1.2756 x 10^7m. compare their diameter by division. The diameter of the sun is 1.4 x 10^9m and the diameter of the earth is 1.2756 x 10^7m. compare their diameter by division. August 1, 2021 Category: Chapter 12 - [...]

175. By what number should (–15)^–1 be divided so that the quotient may be equal to (–5)^–1? 175. By what number should (–15)^–1 be divided so that the quotient may be equal to (–5)^–1? August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,

180. Simplify: (5) 9^3 x 27 x t^4 / (3^-2) x 3^4 x t^2 180. Simplify: (5) 9^3 x 27 x t^4 / (3^-2) x 3^4 x t^2 August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,

180. Simplify: (4) (1/5)^45 x (1/5)^-60 – (1/5)^28 x (1/5)^-43 180. Simplify: (4) (1/5)^45 x (1/5)^-60 - (1/5)^28 x (1/5)^-43 August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,

180. Simplify: (3) (4/13)^4 x (13/7)^2 x (7/4)^3 180. Simplify: (3) (4/13)^4 x (13/7)^2 x (7/4)^3 August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,

180. Simplify: (2) [(4/3)^-2 – (3/4)^2]^-2 180. Simplify: (2) [(4/3)^-2 - (3/4)^2]^-2 August 1, 2021 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,