Page 223 - Maths Skills - 8

Assessment - 4 221

ASSESSMENT - 4

(For Chapters 10 to 13)

COMPETENCY BASED QUESTIONS

Multiple-Choice Questions
1. Which of the following is convex quadrilateral?
(a) Trapezium (b) Rhombus (c) Kite (d) all of these

2. The area of the base of a right circular cylinder is 35 cm and its height is 8 cm the volume of the
2
cylinder is:
(a) 140 cm (b) 280 cm (c) 420 cm (d) 210 cm 3
3
3
3
3. The sum of angles of a concave quadrilateral is
(a) Greater than 360° (b) Equal than 360° (c) Less than 360° (d) none of these
4. The adjacent angles of a parallelogram are in the ratio of 4:5 its greatest angle is
(a) 60° (b) 100° (c) 80° (d) 90°
5. In which quadrant would (43, –89) be found
(a) I (b) II (c) III (d) IV

6. The mid value of a class interval called
(a) Class mark (b) Class - size (c) Class value (d) Class point

Fill in the Blanks
7. The difference between the maximum and minimum observation in a data is called _______
8. ___________ kind of graph represents data in a circle.
9. Curved surface area of cylinder = _______

10. Two cubes have their volumes in the ratio 1:8. The ratio of their surface area is ___________
11. The upper limit of the class 52.4 – 62.4 is _________.

Write ‘T’ for true and ‘F’ for false Statements
12. All the sides and all the angles of a regular polygon are equal
13. If r be the radius and h be the height of the cylinder then the total surface area (2 πrh + 2 πr )
2
14. (–2, 3) is lies in 3rd quadrant.

15. Every rhombus is a kite.
16. The line segment joining the two non adjacent vertices of a polygon is called diagonal

Case Study Based Questions
Som runs a milk shake juice corner. He has two type of glass to serve juice as shown below
Read the above and answer the following questions. L = 4 cm
H = 7 cm
17. Which glass has more capacity and by how much? R = 2 cm B = 3 cm
18. One day Som sells 70 glasses of juice in glass I and H = 7 cm
200 glass of juice in glass II. How does he earn that I II
day if the cost of 40 ml juice is `10?