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

Carry out the multiplication of the expression of the following pair.

ab, a − b

Carry out the multiplication of the expression of the following pair.

a + b, 7a²b²

Carry out the multiplication of the expression of the following pair.

a² − 9, 4a

Carry out the multiplication of the expression of the following pair.

pq + qr + rp, 0

Complete the table.

Find the product.

(a²) × (2a²²) × (4a²⁶)

Find the product.

`(2/3 xy) xx ((-9)/10 x^2y^2)`

Find the product.

`(-10/3 pq^3) xx (6/5p^3q)`

Find the product.

x × x² × x³ × x⁴

Simplify 3x (4x − 5) + 3 and find its values for x = 3.

a (a² + a + 1) + 5 and find its values for

1. a = 0,
2. a = 1,
3. a = − 1.

Work out the following division:

(10x − 25) ÷ 5

Work out the following division:

(10x − 25) ÷ (2x − 5)

Work out the following division:

10y(6y + 21) ÷ 5(2y + 7)

Work out the following division:

9x²y²(3z − 24) ÷ 27xy(z − 8)

Work out the following division:

96abc(3a − 12)(5b − 30) ÷ 144(a − 4) (b − 6)

Divide as directed.

5(2x + 1) (3x + 5) ÷ (2x + 1)

Divide as directed.

26xy(x + 5) (y − 4) ÷ 13x(y − 4)

Divide as directed.

52pqr (p + q) (q + r) (r + p) ÷ 104pq (q + r) (r + p)

Divide as directed.

20(y + 4) (y² + 5y + 3) ÷ 5(y + 4)