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\ 04-Nov-2024 Bharat Arora Proof-8 Reader’s Sign _______________________ Date __________

Unit test – 1

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

1. Which one of the following numbers is not a square number?
(a) 49 (b) 121 (c) 625 (d) 424

2. Which of the following is a triangular number and a square number both?

(a) 3 (b) 10 (c) 36 (d) 42
3. Degree measure of a straight angle is

(a) 0° (b) 180° (c) 360° (d) 270°
3
4. of a right angle is
5
(a) 36° (b) 48° (c) 54° (d) 62°

5. Angle formed between the minute hand and hour hand of a clock at 9:00 a.m. is
(a) 30° (b) 60° (c) 90° (d) 100°
6. The next number in the sequence 1, 4, 10, 20, ... is

(a) 35 (b) 21 (c) 34 (d) 64

7. In the given figure, a rectangle ABCD is shown. Which of the following statements is not
correct? D C

(a) AD || BC (b) AB ⊥ AD

(c) DC || AB (d) AC ⊥ BD A B

8. Three or more lines which pass through the same point are called

(a) parallel lines (b) intersecting lines (c) concurrent lines (d) perpendicular lines
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 a correct explanation of
Assertion (A).
(b) Both Assertion (A) and Reason (R) are true but Reason (R) is not a 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 (A): The number 64 is both a square number and a cubic number.

Reason (R): Every square number is also a cubic number.
l m
10. Assertion (A): In the adjoining figure, l || m.

Reason (R): Two lines are said to be parallel, if they do not intersect at any
point and are equidistant.

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