Secondary School (English Medium) (5 to 8) Class 7 - CBSE Question Bank Solutions for Mathematics

Express the following properties with variables x, y and z.

Distributive property of multiplication over addition

Which of the following is not equal to `((-5)/4)^4`?

Which of the following is not equal to 1?

`[(7/11)^3]^4 = (7/11)^-`

`(6/13)^10 ÷ [(6/13)^5]^2 = (6/13)^-`

`[((-1)/4)^16]^2 = ((-1)/4)^-`

(–3)⁴ = –12

3⁴ > 4³

Arrange in ascending order:

2⁵, 3³, 2³ × 2, (3³)², 3⁵, 4⁰, 2³ × 3¹

Arrange in descending order:

2²⁺³, (2²)³, 2 × 2², `3^5/3^2`, 3^{2 ×} 3⁰, 2³ × 5²

A triangle can be constructed by taking two of its angles as ______.

The order of rotational symmetry in the figure given below is ______.

The order of rotational symmetry in the figure given below is ______.

Take a square piece of paper as shown in figure (1). Fold it along its diagonals as shown in figure (2). Again fold it as shown in figure (3). Imagine that you have cut off 3 pieces of the form of congruent isosceles right-angled triangles out of it as shown in figure 4.

(1)	(2)	(3)	(4)

On opening the piece of paper which of the following shapes will you get?

Each of the letters H, N, S and Z has a rotational symmetry of order ______.

Order of rotational symmetry of a rectangle is ______.

Order of rotational symmetry of a circle is ______.

Order of rotational symmetry of is ______.

Order of rotational symmetry of    is ______.

Order of rotational symmetry of a rhombus is four.