Monthly Contest: Class 9th math quiz competition

1. The three rational numbers between 3 and 4 are:

2. If the coordinates of a point are (3, 0), then it lies in:

3. In the class intervals 10-20, 20-30, 20 is included in which interval?

4. The sides of a triangle are in the ratio 12: 17: 25 and its perimeter is 540 cm. The area is:

5. The section formed by horizontal and vertical lines determining the position of the point in a cartesian plane is called:

6. The sides of a parallelogram are 100 m each and the length of the longest diagonal is 160 m. The area of a parallelogram is:

7. Equal ----- of the congruent circles subtend equal angles at the centers.

8. The area of an equilateral triangle having side length equal to v3/4 cm (using Heron’s formula) is:

9. The sides of a triangle are 122 m, 22 m and 120 m respectively. The area of the triangle is:

10. The Curved surface area of a right circular cylinder is 4.4 sq.cm. The radius of the base is 0.7 cm. The height of the cylinder will be:

11. The longest chord of the circle is:

12. The point of intersection of horizontal and vertical lines determining the position of a point in a cartesian plane is called:

13. The name of the vertical line in the cartesian plane which determines the position of a point is called:

14. If the coordinates of a point are (0, -4), then it lies in:

15. Find the class width for the grouped frequency distribution of the class intervals 1-20, 21-40, 41-60, ..

16. The name of the horizontal line in the cartesian plane which determines the position of a point is called:

17. Every rational number is:

18. The surface area of cuboid-shaped box having length=80 cm, breadth=40cm and height=20cm is:

19. What is the class mark of the class interval 90-120?

20. The center of the circle lies in----- of the circle.