OSSC & OSSSC Math MCQs (50 Questions) | Online Practice Test

📘 Mathematics MCQs for OSSC / OSSSC

Instruction: Choose only one correct answer.

1. HCF of 36 and 48 is

6 12 18 24

2. LCM of 15 and 20 is

30 45 60 120

3. The smallest prime number is

0 1 2 3

4. √144 = ?

10 11 12 13

5. 25% of 200 is

25 40 50 75

6. 25 + 5 × 6 =

30 55 60 180

7. Average of 2, 4, 6 is

3 4 5 6

8. Area of rectangle =

l + b 2(l + b) l × b l²

9. Speed = Distance / ?

Time Work Area Power

10. Cube of 3 is

6 9 18 27

👉 Continue same pattern up to Question 50

11. 10% of 450 is

40 45 50 55

12. Increase of 20% on 500 is

100 520 550 600

13. 60 is what percent of 240?

20% 25% 30% 40%

14. New price after 10% discount on ₹800 is

₹700 ₹720 ₹750 ₹780

15. CP = ₹500, SP = ₹550. Profit is

₹40 ₹45 ₹50 ₹60

16. CP = ₹400, SP = ₹440. Profit % is

5% 8% 10% 12%

17. Loss of ₹50 on CP ₹500. Loss % is

5% 8% 10% 12%

18. If CP = SP, then profit or loss is

Profit Loss Zero Double

19. A man gains 20% by selling an article for ₹600. CP is

₹480 ₹500 ₹520 ₹550

20. Ratio of 4 : 16 is

1 : 2 1 : 3 1 : 4 2 : 3

21. If A : B = 3 : 5 and B = 25, A =

10 15 20 30

22. Divide ₹120 in ratio 2 : 3

40, 80 50, 70 48, 72 60, 60

23. If x : y = 4 : 7 and x = 20, y =

30 35 40 45

24. Ratio of 1 hour to 20 minutes is

1 : 20 3 : 1 1 : 3 20 : 1

25. A can do a work in 10 days. One day's work =

1/5 1/10 1/20 10

26. 5 men can do a work in 5 days. One man will do it in

1 day 5 days 20 days 25 days

27. A can complete a work in 12 days, B in 6 days. Together they take

3 days 4 days 6 days 9 days

28. 4 men can do a work in 6 days. 8 men will do it in

2 days 3 days 4 days 6 days

29. Speed = Distance / ?

Time Work Area Power

30. A train covers 120 km in 3 hours. Speed is

30 km/h 40 km/h 50 km/h 60 km/h

31. Distance = Speed × ?

Time Work Area Power

32. Time = Distance / ?

Speed Work Area Volume

33. Average of first 10 natural numbers is

4.5 5 5.5 6

34. Average of 10 and 20 is

10 12 15 18

35. If sum of 5 numbers is 100, average is

10 15 20 25

36. Average × Number of terms =

Sum Product Difference Ratio

37. Sum of angles of a triangle is

90° 120° 180° 360°

38. Area of a rectangle is

l + b 2(l + b) l × b l²

39. Perimeter of a square is

a² 2a 3a 4a

40. Area of a square of side 5 cm is

10 cm² 20 cm² 25 cm² 30 cm²

41. Radius is half of the

Area Diameter Circumference Chord

42. Roman numeral of 50 is

X L C D

43. Decimal value of 1/4 is

0.2 0.25 0.4 0.5

44. 1000 meters is equal to

10 km 1 km 100 km 0.1 km

45. Square of 15 is

215 225 235 250

46. Cube of 4 is

12 16 64 256

47. Which is a prime number?

9 15 17 21

48. LCM of 6 and 8 is

12 16 24 48

49. HCF of 12 and 18 is

3 6 9 12

50. Which number is even?

7 11 13 14