Page 62 - Ganit Kaushal

Chapter Test

I. Multiple choice questions (MCQs)
1. The number of right angles formed by the hour hand of a clock when it goes from 3 to 9 is
(a) 1 (b) 2 (c) 3 (d) 4
2. The number of right angles formed by the hour hand of a clock when it goes from 10 to 1 is
(a) 1 (b) 2 (c) 3 (d) 4
3. If the hour hand of a clock starts from 8 o’clock and turns through two right angles, it will stop at
(a) 1 o’clock (b) 2 o’clock (c) 3 o’clock (d) 4 o’clock
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4. Where will the hour hand of a clock stop if it starts at 3 o’clock and makes of a revolution clockwise?
(a) 5 o’clock (b) 6 o’clock (c) 7 o’clock 4 (d) 8 o’clock
5. The number of right angles turned through by the hour hand of a clock when it goes from 1 to 7 is
(a) 1 (b) 2 (c) 3 (d) 4
6. Where will the hour hand of a clock stop if it starts from 9 and turns through 2 right angles?
(a) 3 o’clock (b) 2 o’clock (c) 4 o’clock (d) 1 o’clock
7. The measure of a reflex angle is greater than
(a) 90° (b) 120° (c) 150° (d) 180°
8. How many long marks, each at 10 degrees apart, are there in a protractor?
(a) 36 (b) 12 (c) 18 (d) 19
II. Fill in the blanks:
1. Two lines meeting at a point are called _________ lines.
2. Two lines in a plane are said to be _________ if they do not meet.
3. The distance between the ends of a line segment is its _________ .
4. To measure the size of an angle in degrees, we use a _________ .
5. A straight angle is _________ of a right angle.
6. A line has a length but no _________ .
III. State whether the following statements are True (T) or False (F).
1. An angle is made up of two rays starting from a common end point.
2. An angle leads to two divisions of a region.
3. 3 right angles are equal to 360°.
4. The lines of a railway track are a set of two parallel lines.
5. The sum of two obtuse angles gives a reflex angle.
6. The minute hand of a clock rotates 6° in a minute.

IV. Solve the following questions.
1. What are the different methods to compare any two angles? Explain.
2. How do you measure an angle using a protractor? Explain.
3. In the adjoining figure,
Can ∠APC be labelled as ∠P?
Why or why not? Explain. (NCERT)

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