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

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

Using prime factorisation, find the square roots of 4761

Is 176 a perfect square? If not, find the smallest number by which it should be multiplied to get a perfect square.

Find the least square number which is exactly divisible by 3, 4, 5, 6 and 8.

Find the smallest square number divisible by each one of the numbers 8, 9 and 10.

Radha takes some flowers in a basket and visits three temples one by one. At each temple, she offers one-half of the flowers from the basket. If she is left with 3 flowers at the end, find the number of flowers she had in the beginning.

Divide 54 into two parts such that one part is `2/7` of the other.

The surface area of a cuboid formed by joining two cubes of side a face to face is ______.

All six faces of a cuboid are ______ in shape and of ______ area.

Opposite faces of a cuboid are ______ in area.