# CBSE Maths Extra Questions Class 8

Practising CBSE Maths Class 8 extra questions is the key to understanding the Maths concepts. The Maths extra questions Class 8 is given here in order to serve the purpose. These questions come from all the important topics of Class 8 Maths curriculum, and it is advisable to solve this on a regular basis.

## Importance Of  CBSE Extra Questions in Class 8 Maths

• These extra questions are given in a precise manner and will be of use to students practising the maths chapters.
• Students are recommended to solve these questions after reading all the chapters in order to avail extreme benefits
• Extra questions consist of questions which can be expected in the next exam cycle.
• These questions adhere to the latest syllabus
• It is also advisable to teachers to assist students in order to solve the given questions here

Students can view the given CBSE Maths extra questions of Class 8 below:

1. If 9 is the divisor of 21y5, find y?
2. Plot a point (5,4) on a graph and find out is it similar to (4,5)?
3. Divide the polynomial
$$\begin{array}{l}(6x^{2}-5x)\div 2x\end{array}$$
with the monomial 2x
4. If a wall is getting built in 48 hours by 14 workers, how many workers will finish the wall by 30 hours?
5. Find the value of p for which
$$\begin{array}{l}6^{p}\div 6^{-2}=6^{6}\end{array}$$
6. Find the total cost of polishing the floor, if the cost per square meter is 5/- if the floor of a building consists of 4000 tiles which are rhombus shaped and each of its diagonals are 35 cm and 20 cm in length.
7. Explain with graphical representation if needed that can a polyhedron exist of 10 faces, 15 vertices and 20 edges?
8. Find the area and perimeter of triangles with the dimensions given in the ratio of monomials as (p,q);(10m,5n);(
$$\begin{array}{l}20x^{2},5y^{2}\end{array}$$
);(4x,
$$\begin{array}{l}3x^{2}\end{array}$$
);(3mn,4np)
9. Liverpool won 20 matches out of total in the English Premier League. If their winning % was 40, then find the total number of matches played by Liverpool?
10. In a bag containing 5 red balls and 6 blue balls, find out the probability of getting a blue ball while drawing?
11. Draw a Square READ with Diagonal DE= 5 cm
12. Explain the reason behind rectangle being a convex quadrilateral
13. The denominator of a rational number is 8 value greater than its numerator and if increased by 17 and the denominator is decreased by 2, the number obtained after this is 3/2. Find the rational number?
14. If  the angles of a quadrilateral are in the ratio of 2 : 3 : 5 : 8. Then, what is the measure of each angle?
15. Given that there are 24% of boys in a school and the number of girls is 456, then what is the total number of students in the school?
16.  If a train travels 112 km in 1 hour 30 minutes with a certain speed, calculate the kilometres it will travel in 4 hours 45 minutes with the same speed.

It will be helpful to solve these given CBSE Class 8 Maths extra questions every day to ace the board exams conducted by CBSE.