ICSE ICSE Class 8 - CISCE Question Bank Solutions for Mathematics

After 12 years, I shall be 3 times as old as 1 was 4 years ago. Find my present age.

A man sold an article for ₹ 396 and gained 10% on it. Find the cost price of the article

The sum of two numbers is 4500. If 10% of one number is 12.5% of the other, find the numbers.

The sum of two numbers is 405 and their ratio is 8 : 7. Find the numbers.

The ages of A and B are in the ratio 7 : 5. Ten years hence, the ratio of their ages will be 9 : 7. Find their present ages.

The numerator of a fraction is 5 less than its denominator. If 3 is added to the numerator, and denominator both, the fraction becomes`4/5`. Find the original fraction.

If the replacement set is the set of natural numbers, solve:  x - 5 < 0 

If the replacement set is the set of natural numbers, solve:  x + 1 ≤ 7

If the replacement set is the set of natural numbers, solve:  3x - 4 > 6

If the replacement set is the set of natural numbers, solve:   4x + 1 ≥ 17

If the replacement set = {- 6,. - 3, 0, 3, 6, 9}; find the truth set of the following :  2x - 1 > 9

If the replacement set = {- 6,. - 3, 0, 3, 6, 9}; find the truth set of the following : 3x + 7 < 1

Solve : 7 > 3x - 8 ; x ∈ N.

Find the volume and the total surface area of a cuboid, whose :
length = 15 cm, breadth = 10 cm and height = 8 cm.

Find the volume and the total surface area of a cuboid, whose :

l = 3.5 m, b = 2.6 m and h = 90 cm

Solve : - 17 < 9y - 8; y ∈ Z.

Solve : 9x - 7 ≤ 5: 28 + 4x ; x ∈ W. 

Solve : `2/3"x" + 8 < 12; "x" ∈ "W"`

Solve: `-5 ("x" + 4) > 30 ; "x" ∈ "Z"`

Solve the inquation 8 – 2x ≥ x – 5; x ∈ N.