Page 223 - Maths Skills - 7

Assessment - 4 221

ASSESSMENT - 4

(For Chapters 10 to 13)

COMPETENCY BASED QUESTIONS

Multiple-Choice Questions
1. Name a figure which has line symmetry but no rational symmetry.

(a) Parallelogram (b) Square (c) Isosceles triangle (d) Rectangle
2. If ∆ ABC ≅ ∆ DEF then which of the following is true?

(a) AC = DE (b) AB = DE (c) BC = EF (d) Both b and c
3. The mean of 6, 12, 15, 25 and 32 is:
(a) 18 (b) 90 (c) 45 (d) 40

4. In which triangle altitudes and medians can be the same.
(a) Isosceles triangle (b) Equilateral triangle
(c) Scalene triangle (d) Right angled triangle

5. Rotating a figure through 90° clock wise means rotating the same figure anticlockwise through:
(a) 90° (b) 180° (c) 270° (d) 360°

Fill in the Blanks
6. A kite has_____________ line of symmetry.

7. A triangle can have_____________ medians.
8. Range = ________________________.
9. The medians of a given data if n is odd is _______________.

10. Mean = ______________________.

Write ‘T’ for true and ‘F’ for false Statements
11. The data obtained in original form are called raw data or ungrouped data.
12. Mode is the value that occurs most frequency in a given data.

13. A square pyramid has 4 triangular faces one square face 5 vertices and 8 edges.
14. A figure is said to be symmetrical about a line or axis it is identical on either side of it.

15. Sum of three angles of a triangles is 90°.

Case Study Based Questions
Shama go for a educational trip and see figure given below: