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

Simplify and express the following in exponential form:

`(2^8 xxa^5)/(4^3 xx a^3)`

Construct ΔXYZ in which XY = 4.5 cm, YZ = 5 cm and ZX = 6 cm.

Construct an equilateral triangle of side 5.5 cm.

Draw ΔPQR with PQ = 4 cm, QR = 3.5 cm and PR = 4 cm. What type of triangle is this?

State whether a given pair of term is of like or unlike term.

1,100

State whether a given pair of term is of like or unlike term.

`-7x, 5/2 x`

State whether a given pair of term is of like or unlike term.

−29x, −29y

State whether a given pair of term is of like or unlike term.

14xy, 42yx

State whether a given pair of term is of like or unlike term.

4m²p, 4mp²

State whether a given pair of term is of like or unlike term.

12xz, 12x²z²

Identify like term in the following:

−xy², − 4yx², 8x², 2xy², 7y, −11x², −100x, −11yx, 20x²y, −6x², y, 2xy, 3x

Identify like term in the following:

10pq, 7p, 8q, −p²q², −7qp, −100q, −23, 12q²p², −5p², 41, 2405p, 78qp, 13p²q, qp², 701p²

Dice are cubes with dots on each face. Opposite faces of a die always have a total of seven dots on them.

Here are two nets to make dice (cubes); the numbers inserted in each square indicate the number of dots in that box.

Insert suitable numbers in the blanks, remembering that the number on the
opposite faces should total to 7.

Can this be a net for a die?

Explain you answer.

Write a positive integer and a negative integer whose sum is a negative integer.

Write a positive integer and a negative integer whose sum is a positive integer.

Write a positive integer and a negative integer whose difference is a negative integer.

Write a positive integer and a negative integer whose difference is a positive integer.

Sana and Fatima participated in an apple race. The race was conducted in 6 parts. In the first part, Sana won by 10 seconds. In the second part she lost by 1 minute, then won by 20 seconds in the third part and lost by 25 seconds in the fourth part, she lost by 37 seconds in the fifth part and won by 12 seconds in the last part. Who won the race finally?