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

Both the pairs of opposite angles of a quadrilateral are equal and supplementary. Find the measure of each angle.

Construct a quadrilateral NEWS in which NE = 7 cm, EW = 6 cm, ∠N = 60°, ∠E = 110° and ∠S = 85°.

Which of the following can be the base of a pyramid?

We have 4 congruent equilateral triangles. What do we need more to make a pyramid?

Side of a square garden is 30 m. If the scale used to draw its picture is 1 cm : 5 m, the perimeter of the square in the picture is ______.

A pyramid on an n sided polygon has ______ faces.

If a pyramid has a hexagonal base, then the number of vertices is ______.

Pyramids do not have a diagonal.

Product of the following monomials 4p, –7q³, –7pq is ______.

Area of a rectangle with length 4ab and breadth 6b² is ______.

Volume of a rectangular box (cuboid) with length = 2ab, breadth = 3ac and height = 2ac is ______.

abc + bca + cab is a monomial.

Multiply the following:

–7pq²r³, –13p³q²r

Multiply the following: 

3x²y²z², 17xyz

Multiply the following:

15xy², 17yz² 

Multiply the following: 

–5a²bc, 11ab, 13abc²

Multiply the following: 

–3x²y, (5y – xy)

Multiply the following: 

abc, (bc + ca)

Multiply the following: 

7pqr, (p – q + r)

Multiply the following: 

x²y²z², (xy – yz + zx)