ICSE ICSE Class 8 - CISCE Question Bank Solutions

Evaluate:

`5/9 + 3/-4`

Evaluate:

`(-8)/9 + -5/12`

Evaluate:

`0 + (-2)/7`

Evaluate:

`5/(-11) + 0`

Evaluate:

`2 + (-3)/5`

Evaluate:

`4/(-9) + 1`

Draw a number line and mark 

`3/4, 7/4, (-3)/4 and (-7)/4` on it.

Draw a number line and mark 

`2/3, (-8)/3, 7/3, (-2)/3 and -2`

In the case find whether the trinomial is a perfect square or not:

x² + 14x + 49 

In the case find whether the trinomial is a perfect square or not:

a² - 10a + 25

In the case find whether the trinomial is a perfect square or not:

4x² + 4x + 1

What is the least number of planes that can enclose a solid? What is the name of the solid?

The Dimension of a cubical is 6 cm x 4 cm x 2 cm. Draw two different nets of it.

In the case find whether the trinomial is a perfect square or not:

9b² + 12b + 16 

In the case find whether the trinomial is a perfect square or not:

16x² - 16xy + y²

In the case find whether the trinomial is a perfect square or not:

x² - 4x + 16 

Find which of the following numbers are divisible by 2:
(i) 192
(ii) 1660
(iii) 1101
(iv) 2079

Each side of a rhombus is 18 cm. If the distance between two parallel sides is 12 cm, find its area.

The diagonals of a rhombus are 18 cm and 24 cm. Find:
(i) its area ;
(ii) length of its sides.
(iii) its perimeter

The perimeter of a rhombus is 40 cm. If one diagonal is 16 cm; find:

1. It's other diagonal
2. area