RRB Assistant Loco Pilot - Elementary Statistics and Square Root Online Test (MCQ Quiz)

1. What is the median of the following dataset: 3, 7, 1, 9, 5?

A) 3 B) 5 C) 7 D) 9

2. Calculate the mean of the numbers: 10, 20, 30, 40, 50.

A) 25 B) 30 C) 35 D) 40

3. What is the mode of the dataset: 2, 3, 3, 4, 5, 5, 5, 6?

A) 3 B) 4 C) 5 D) 6

4. Find the square root of 144.

A) 10 B) 11 C) 12 D) 13

5. What is the range of the dataset: 5, 2, 8, 1, 9?

A) 7 B) 8 C) 9 D) 10

6. The square root of 0.01 is:

A) 0.001 B) 0.01 C) 0.1 D) 1

7. If the sum of five numbers is 75, what is their mean?

A) 10 B) 15 C) 20 D) 25

8. What is the value of √81?

A) 7 B) 8 C) 9 D) 10

9. Which of the following is a measure of central tendency?

A) Range B) Mean C) Variance D) Standard Deviation

10. Find the square root of 625.

A) 15 B) 20 C) 25 D) 30

11. What is the median of the dataset: 15, 25, 5, 35, 20?

A) 15 B) 20 C) 25 D) 35

12. What is the mode of the following numbers: 11, 12, 13, 11, 12, 11, 14?

A) 11 B) 12 C) 13 D) 14

13. Calculate the mean of the first five natural numbers.

A) 2 B) 3 C) 4 D) 5

14. What is the square root of 1.69?

A) 0.13 B) 1.3 C) 13 D) 16.9

15. Which statistic measures the spread of data from the mean?

A) Median B) Mode C) Variance D) Mean

16. Find the square root of 10000.

A) 10 B) 100 C) 1000 D) 100000

17. What is the median of the dataset: 10, 5, 20, 15?

A) 10 B) 12.5 C) 15 D) 17.5

18. What is the mode of the dataset: 7, 8, 9, 7, 8, 7, 10?

A) 7 B) 8 C) 9 D) 10

19. Calculate the mean of the following numbers: 2, 4, 6, 8, 10.

A) 4 B) 5 C) 6 D) 7

20. What is the square root of 196?

A) 12 B) 13 C) 14 D) 15

21. If a dataset has two modes, it is called:

A) Unimodal B) Bimodal C) Multimodal D) Amodal

22. Find the square root of 0.0036.

A) 0.0006 B) 0.006 C) 0.06 D) 0.6

23. What is the median of the dataset: 50, 10, 40, 20, 30?

A) 10 B) 20 C) 30 D) 40

24. What is the mode of the dataset: 1, 2, 3, 4, 5?

A) 1 B) 3 C) No mode D) All numbers

25. Calculate the mean of the first 10 natural numbers.

A) 5 B) 5.5 C) 6 D) 10

26. What is the square root of 729?

A) 25 B) 26 C) 27 D) 28

27. Which measure of central tendency is most affected by outliers?

A) Median B) Mode C) Mean D) Range

28. Find the square root of 12.25.

A) 3.0 B) 3.5 C) 4.0 D) 4.5

29. What is the median of the dataset: 8, 12, 6, 10, 14, 16?

A) 10 B) 11 C) 12 D) 13

30. What is the mode of the dataset: 100, 101, 102, 101, 100, 101?

A) 100 B) 101 C) 102 D) 100.5

31. Calculate the mean of the numbers: 1, 3, 5, 7, 9.

A) 3 B) 4 C) 5 D) 6

32. What is the square root of 400?

A) 10 B) 20 C) 40 D) 100

33. The difference between the highest and lowest values in a dataset is called the:

A) Mean B) Median C) Mode D) Range

34. Find the square root of 0.81.

A) 0.09 B) 0.8 C) 0.9 D) 9

35. What is the median of the dataset: 22, 33, 11, 44, 55?

A) 11 B) 22 C) 33 D) 44

36. What is the mode of the dataset: 15, 18, 15, 20, 15, 18?

A) 15 B) 18 C) 20 D) 17.5

37. Calculate the mean of the numbers: 5, 10, 15, 20, 25.

A) 10 B) 15 C) 20 D) 25

38. What is the square root of 576?

A) 20 B) 22 C) 24 D) 26

39. Which of the following is NOT a measure of central tendency?

A) Mean B) Median C) Mode D) Standard Deviation

40. Find the square root of 1.44.

A) 0.12 B) 1.02 C) 1.2 D) 12

41. What is the median of the dataset: 100, 200, 150, 250, 300?

A) 100 B) 150 C) 200 D) 250

42. What is the mode of the dataset: 3.1, 3.2, 3.1, 3.3, 3.1, 3.4?

A) 3.1 B) 3.2 C) 3.3 D) 3.4

43. Calculate the mean of the numbers: 7, 14, 21, 28, 35.

A) 14 B) 21 C) 28 D) 35

44. What is the square root of 1024?

A) 30 B) 31 C) 32 D) 33

45. In a dataset, if all values are unique, what can be said about the mode?

A) The mode is the mean. B) The mode is the median. C) There is no mode. D) All values are modes.

46. Find the square root of 2.25.

A) 1.05 B) 1.5 C) 2.05 D) 2.5

47. What is the median of the dataset: 1, 1, 2, 3, 5, 8?

A) 2 B) 2.5 C) 3 D) 4

48. What is the mode of the dataset: 10, 20, 30, 10, 20, 10, 40?

A) 10 B) 20 C) 30 D) 40

49. Calculate the mean of the numbers: 12, 18, 24, 30, 36.

A) 18 B) 24 C) 30 D) 36

50. What is the square root of 361?

A) 17 B) 18 C) 19 D) 20

Elementary Statistics and Square Root - Online Test

Test Results