Secondary School (English Medium) (5 to 8) Class 8 - CBSE Question Bank Solutions for Mathematics

Obtain the volume of a rectangular box with the following length, breadth, and height, respectively.

2p, 4q, 8r

Obtain the volume of a rectangular box with the following length, breadth, and height, respectively.

xy, 2x²y, 2xy²

Obtain the volume of a rectangular box with the following length, breadth, and height, respectively.

a, 2b, 3c

Obtain the product of xy, yz, zx.

Obtain the product of a, − a², a³

Obtain the product of 2, 4y, 8y², 16y³

Obtain the product of  a, 2b, 3c, 6abc.

Obtain the product of m, − mn, mnp.

Describe how the two figures at the right are alike and how they are different. Which box has larger lateral surface area?

If each edge of a cube is doubled, how many times will its surface area increase?

If each edge of a cube is doubled, how many times will its volume increase?

Divide the given polynomial by the given monomial.

(5x² − 6x) ÷ 3x

Divide the given polynomial by the given monomial.

(3y⁸ − 4y⁶ + 5y⁴) ÷ y⁴

Divide the given polynomial by the given monomial.

8(x³y²z² + x²y³z² + x²y²z³) ÷ 4x²y²z²

Divide the given polynomial by the given monomial.

(x³ + 2x² + 3x) ÷ 2x

Divide the given polynomial by the given monomial.

(p³q⁶ − p⁶q³) ÷ p³q³

Find the squares of the following numbers using the identity (a + b)² = a² + 2ab + b²:  

 405

Find the squares of the following number using the identity (a + b)² = a² + 2ab + b²:  

 510 

Find the squares of the following number using the identity (a + b)² = a² + 2ab + b² 

¹⁰⁰¹