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

If ∆PQR and ∆XYZ are congruent under the correspondence QPR `leftrightarrow` XYZ, then ∠Q = ______.

If ∆PQR and ∆XYZ are congruent under the correspondence QPR `leftrightarrow` XYZ, then RP = ______.

It is possible to have a right-angled equilateral triangle.

If M is the mid-point of a line segment AB, then we can say that AM and MB are congruent.

It is possible to have a triangle in which each angle is equal to 60°.

A one rupee coin is congruent to a five rupee coin.

If the areas of two squares is same, they are congruent.

If three angles of two triangles are equal, triangles are congruent.

If two sides and one angle of a triangle are equal to the two sides and angle of another triangle, then the two triangles are congruent.

If two angles and a side of a triangle are equal to two angles and a side of another triangle, then the triangles are congruent.

8 hours is 50% of 4 days.

0.018 is equivalent to 8%.

A DNA model was built using the scale 2 cm : 0.0000001 mm. If the model of the DNA chain is 17 cm long, what is the length of the actual chain?

The table lists the world’s 10 largest deserts.

1. What are the mean, median and mode of the areas listed?
2. How many times the size of the Gobi Desert is the Namib Desert?
3. What percentage of the deserts listed are in Asia?
4. What percentage of the total area of the deserts listed is in Asia?

Earth’s total land area is about 148428950 km². The land area of Asia is about 30 per cent of this total. What is the approximate land area of Asia to the nearest square km?

Which of the following is equivalent to `4/5`?

Two rational numbers are said to be equivalent or equal, if they have the same ______ form.

If `p/q` is a rational number and m is a non-zero integer, then `(p xx m)/(q xx m)` is a rational number not equivalent to `p/q`.

`4/6` is equivalent to `2/3`.

Are the rational numbers `(-8)/28` and `32/(-112)` equivalent? Give reason.