Class6 : Maths 50 questions

Class6 Section A: Multiple Choice Questions (Answers Ticked)

1. The smallest prime number is:
   a) 0
   b) 1
   ✔ c) 2
   d) 3

2. LCM of 12 and 15 is:
   ✔ a) 60
   b) 30
   c) 45
   d) 90

3. HCF of 18 and 24 is:
   a) 12
   ✔ b) 6
   c) 3
   d) 9

4. 5.25 as a fraction is:
   ✔ a) 21/4
   b) 5/25
   c) 52/5
   d) 25/5

5. 0.75 × 10 =
   ✔ a) 7.5
   b) 75
   c) 0.075
   d) 750

6. The perimeter of a square of side 6 cm is:
   a) 12 cm
   ✔ b) 24 cm
   c) 36 cm
   d) 18 cm

7. A triangle with all sides equal is called:
   a) Scalene
   b) Isosceles
   ✔ c) Equilateral
   d) Right

8. A line that divides a circle into two equal parts is:
   a) Radius
   ✔ b) Diameter
   c) Chord
   d) Arc

9. The value of 7² is:
   a) 14
   ✔ b) 49
   c) 21
   d) 77

10. The place value of 5 in 45,678 is:
    ✔ a) 5,000
    b) 50
    c) 500
    d) 5

11. 3/4 + 2/4 =
    a) 5/8
    ✔ b) 5/4
    c) 1
    d) 6/4

12. 2.5 + 3.75 =
    ✔ a) 6.25
    b) 5.25
    c) 6.5
    d) 5.5

13. A rectangle has length 8 cm and breadth 5 cm. Its area is:
    a) 13 sq cm
    ✔ b) 40 sq cm
    c) 26 sq cm
    d) 80 sq cm

14. Roman numeral for 50 is:
    ✔ a) L
    b) C
    c) X
    d) V

15. The sum of first five natural numbers is:
    a) 10
    ✔ b) 15
    c) 20
    d) 25

16. An angle greater than 90° but less than 180° is:
    a) Acute
    b) Right
    ✔ c) Obtuse
    d) Straight

17. 1 km =
    a) 100 m
    ✔ b) 1000 m
    c) 10,000 m
    d) 100 m

18. The number of faces in a cube is:
    a) 4
    ✔ b) 6
    c) 8
    d) 12

19. 15% of 200 =
    a) 20
    b) 25
    ✔ c) 30
    d) 35

20. A leap year has:
    a) 365 days
    ✔ b) 366 days
    c) 364 days
    d) 360 days

21. Prime factors of 84 = 2 × 2 × 3 × 7

22. LCM of 16 and 20 = 80

23. 5/6 − 1/3 = 5/6 − 2/6 = 3/6 = 1/2

24. 3.45 = 345/100 = 69/20

25. Perimeter = 2(l + b) = 2(12 + 7) = 38 cm

26. Area of square = 9 × 9 = 81 sq cm

27. 25% = 25/100 = 1/4

28. Square of 13 = 169

29. Roman numeral for 99 = XCIX

30. Average = (10 + 20 + 30 + 40)/4 = 100/4 = 25

31. 2 hours 30 minutes = 150 minutes

32. 5³ = 125

33. HCF of 45 and 60 = 15

34. 750 grams = 0.75 kg

35. Mean of first 6 natural numbers = (1+2+3+4+5+6)/6 = 21/6 = 3.5

36. 3456 + 7890 − 2345 = 9001

37. 456 × 27 = 12,312

38. 9876 ÷ 12 = 823

39. Total cost = 50 × 40 = ₹2000

40. Perimeter = 2(15 + 8) = 46 cm

   Area = 15 × 8 = 120 sq cm

41. 7/8 + 5/12 = 21/24 + 10/24 = 31/24 = 1 7/24

42. 12.5 − 7.86 = 4.64

43. Parts of a circle: Centre, Radius, Diameter, Chord, Circumference

44. 25 × 18 = ₹450

45. Simple Interest = (P × R × T)/100
    = (1000 × 5 × 2)/100 = ₹100

46. Distance = 60 × 5 = 300 km

47. Volume of cube = 4³ = 64 cubic cm

48. 60° angle constructed using protractor.

49. Increase in temperature = 30 − 18 = 12°C

50. Ratio of boys to girls = 20 : 15 = 4 : 3