Secondary School (English Medium) (5 to 8) इयत्ता ७ - CBSE Question Bank Solutions for Mathematics

Draw, wherever possible, a rough sketch of a quadrilateral with line symmetry but not a rotational symmetry of order more than 1.

If a figure has two or more lines of symmetry, should it have rotational symmetry of order more than 1?

Fill in the blanks:

Use isometric dot paper and make an isometric sketch for the given shape:

Use isometric dot paper and make an isometric sketch of the given shape:

Use isometric dot paper and make an isometric sketch of the given shape:

Use isometric dot paper and make an isometric sketch of the given shape:

The dimensions of a cuboid are 5 cm, 3 cm and 2 cm. Draw three different isometric sketches of this cuboid.

Give an isometric sketch for the following:

A cuboid of dimensions 5 cm, 3 cm and 2 cm. (Is your sketch unique?)

What is the measure of the complement of the following angles?

45º

What is the measure of the complement of the following angles?

65º

The difference in the measures of two complementary angles is 12^o. Find the measures of the angles.

Reduce `(- 45)/30` to the standard form.

Reduce to standard form: `36/(−24)`

Reduce to standard form: `(- 3)/(- 15)`

Express the following terms in the exponential form: (2 × 3)⁵.

Express the following term in the exponential form: (2a)⁴

Express the following term in the exponential form: (– 4m)³

The population of a village is 8000. Out of these, 80% are literate and of these literate people, 40% are women. Find the ratio the number of literate women to the total population.

By observing the number line in the following figure, state which of the following statements is not true.