Secondary School (English Medium) (5 to 8) कक्षा ८ - CBSE Question Bank Solutions for Mathematics

The negative of 0 does not exist.

The negative of 1 is 1 itself.

For rational numbers x and y, if x < y then x – y is a positive rational number.

If x and y are negative rational numbers, then so is x + y.

The negative of a negative rational number is a positive rational number.

Verify – (– x) = x for x = `3/5`

Verify – (– x) = x for x = `(-7)/9`

Verify – (– x) = x for x = `13/(-15)`

Huma, Hubna and Seema received a total of Rs. 2,016 as monthly allowance from their mother such that Seema gets `1/2` of what Huma gets and Hubna gets `1 2/3` times Seema’s share. How much money do the three sisters get individually?

Find the sum of additive inverse and multiplicative inverse of 7.

Find the product of additive inverse and multiplicative inverse of `- 1/3`.

A square board has an area of 144 square units. How long is each side of the board?

The least number by which 125 be multiplied to make it a perfect square is ______.

1000 is a perfect square.

Show that 500 is not a perfect square.

Using prime factorisation, find which of the following are perfect squares.

484

Using prime factorisation, find which of the following are perfect squares.

11250

Using prime factorisation, find which of the following are perfect squares.

841

Using prime factorisation, find which of the following are perfect squares.

729

Using prime factorisation, find the square roots of 11025