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\ 15-Nov-2024 Surender Prajapati Proof-5 Reader’s Sign _______________________ Date __________

UNIT TEST – 4

A. Choose the correct option in Questions 1 to 10.

1. Perimeter of a square of side x cm is equal to
2
(a) 2x cm (b) x cm (c) x cm (d) 2x cm
4 3
2. Range of the data 86, 94, 84, 90, 78, 91, 80, 89 is
(a) 12 (b) 14 (c) 15 (d) 16
3. Number of squares in the net of a cube is

(a) 4 (b) 6 (c) 12 (d) 16 D C
4. Area of the parallelogram shown in adjoining figure is

(a) 13 cm 2 (b) 20 cm 2 5 cm
(c) 40 cm (d) 60 cm 2
2
A 8 cm B
5. Arithmetic mean of the numbers 126, 35, 55, x, 39, 57 is 63. Then, the value of x is
(a) 48 (b) 58 (c) 64 (d) 66
6. Median of the data 4, 7, 3, 2, 4, 4, 9, 10 is

(a) 2 (b) 7 (c) 4 (d) 10
7. Tail is obtained 45 times when a coin is tossed 60 times at random. Probability of getting a head is

(a) 3 (b) 2 (c) 1 (d) 3
4 5 4 7
8. Area of a triangle having base 6 cm is 24 cm . Its height is equal to
2
(a) 8 cm (b) 10 cm (c) 9 cm (d) 14 cm
Directions. (For Qs 9–10): In the following questions, a statement of Assertion (A) is followed
by a statement of Reason (R). Choose the correct option.
(a) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of
Assertion (A).
(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation
of Assertion (A).
(c) Assertion (A) is true but Reason (R) is false.

(d) Assertion (A) is false but Reason (R) is true.
9. Assertion: Circumference of a circle having radius 49 cm is 308 cm.

Reason: Circumference of a circle of radius ‘r’ is given by C = 2pr.
10. Assertion: A square pyramid has a square base and 4 triangular lateral faces.
Reason: A square Pyramid has 9 edges.

B. Fill in the blanks.
1. A triangular pyramid has ................... vertices.

2. A square of side 8 cm is divided into four congruent triangles. Area of each triangle is
................... .

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