## 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

► (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

► (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

► (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

► (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

► (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

► (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

► (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

► (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

► (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

► (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

► (a) complete angle

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

(a) An obtuse angle

(b) An acute angle

(c) A right angle

(d) A straight angle

► (a) An obtuse angle

13. How is the measure of an angle expressed?

(a) Compasses

(b) Protractor

(c) Degrees

(d) Centimetres

► (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

► (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

► (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

► (a) obtuse

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

(a) 10°

(b) 50°

(c) 40°

(d) 90°

► (d) 90°

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

► (d) 1/2

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

(a) Obtuse angle

(b) Acute angle

(c) Right angle

(d) Straight angle

► (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

► (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

► (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

► (a) 3