## MCQ Questions for Class 6 Maths: Ch 5 Understanding Elementary Shapes

1. How many centimetres make 3m?

(a) 100

(b) 30

(c) 300

(d) 3000

â–º (c) 300

2. What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from 1 to 10?

(a) 3/4

(b) 1/4

(c) More than 3/4

(d) none of these

â–º (a) 3/4

3. Where will the hand of a clock stop if it starts at 2 and makes 1/2 of a revolution, clockwise?

(a) 5

(b) 8

(c) 11

(d) None of these

â–º (b) 8

4. When an arm of an angle is extended then how does its measure change?

(a) Doubled

(b) Tripled

(c) Remains the same

(d) Halved

â–º (c) Remains the same

5. Where will the hand of a clock stop if it starts at 12 and makes 3/4 of a revolution, clockwise?

(a) 6

(b) 9

(c) 3

(d) None of these

â–º (b) 9

6. An angle whose measure is equal to half of a revolution is

(a) right angle

(b) acute angle

(c) straight angle

(d) obtuse angle

â–º (c) straight angle

7. What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from 5 to 11?

(a) 1/2

(b) More than 1/4

(c) 3/4

(d) none of these

â–º (a) 1/2

8. When the sum of the measures of two angles is that of a right angle, then each one of them is ______.

(a) obtuse angle

(b) acute angle

(c) straight angle

(d) right angle

â–º (b) acute angle

9. At 5:20 what type of angle is formed between the two hands of a clock?

(a) An obtuse angle

(b) A right angle

(c) An acute angle

(d) A reflex angle

â–º (c) An acute angle

10. An angle whose measure is equal to one-fourth of a revolution is

(a) right angle

(b) straight angle

(c) obtuse angle

(d) acute angle

â–º (a) right angle

11. An angle whose measure is equal to a full revolution is

(a) complete angle

(b) right angle

(c) obtuse angle

(d) straight angle

â–º (a) complete angle

12. 179Â° is an example of which of these angles?

(a) An obtuse angle

(b) An acute angle

(c) A right angle

(d) A straight angle

â–º (a) An obtuse angle

13. How is the measure of an angle expressed?

(a) Compasses

(b) Protractor

(c) Degrees

(d) Centimetres

â–º (c) Degrees

14. An angle whose measure is greater than that of a right angle is ______.

(a) right angle

(b) straight angle

(c) acute angle

(d) obtuse angle

â–º (d) obtuse angle

15. What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from 7 to 10?

(a) 1/2

(b) 1/4

(c) 1/3

(d) None of these

â–º (b) 1/4

16. When the sum of the measures of two angles is that of a straight angle and if one of them is acute then the other should be _______.

(a) obtuse

(b) straight

(c) right

(d) acute

â–º (a) obtuse

17. l and m are two lines perpendicular to each other. What is the measure of the angle between them?Â

(a) 10Â°

(b) 50Â°

(c) 40Â°

(d) 90Â°

â–º (d) 90Â°

18. What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from 3 to 9?

(a) 1/3

(b) 1

(c) 1/4

(d) 1/2

â–º (d) 1/2

19. What is an angle which measures more than 0âˆ˜ and less than 90âˆ˜ called?

(a) Obtuse angle

(b) Acute angle

(c) Right angle

(d) Straight angle

â–º (b) Acute angle

20. What fraction of a clockwise revolution does the hour hand of a clock turn through, when it goes from 3 to 6?

(a) 1/4

(b) 1

(c) 1/2

(d) None of these

â–º (a) 1/4

21. Where will the hand of a clock stop if it starts at 3 and makes 3/4 of a revolution, clockwise?

(a) 6

(b) 12

(c) 9

(d) None of these

â–º (b) 12

22. Where will the hand of a clock stop if it starts at 6 and makes 3/4 of a revolution, clockwise?

(a) 3

(b) 12

(c) 9

(d) 6

â–º (a) 3