TNTET Paper 2 - Number system: whole numbers integers fractions and decimals. Online Test (MCQ Quiz)

1. Which of the following is the smallest natural number?

A) 0 B) 1 C) 2 D) Infinity

2. The set of whole numbers includes:

A) All positive integers B) All negative integers C) Zero and all positive integers D) All integers

3. Which property states that for any integers a and b, a + b = b + a?

A) Associative property of addition B) Commutative property of addition C) Distributive property D) Identity property of addition

4. What is the additive identity for whole numbers?

A) 0 B) 1 C) -1 D) 10

5. Which of the following is an integer?

A) 1/2 B) 3.14 C) -5 D) √2

6. The sum of two negative integers is always:

A) Positive B) Negative C) Zero D) A fraction

7. What is the result of (-10) + 5?

A) 15 B) -15 C) -5 D) 5

8. Which operation is not closed under the set of integers?

A) Addition B) Subtraction C) Multiplication D) Division

9. A fraction can be defined as a number that can be expressed in the form of:

A) p/q, where q = 0 B) p/q, where p and q are integers and q ≠ 0 C) p/q, where p is an integer and q is a whole number D) p/q, where p and q are natural numbers

10. Which of the following is a proper fraction?

A) 5/3 B) 7/7 C) 2/9 D) 10/1

11. What is the value of 3/4 + 1/4?

A) 4/8 B) 1/2 C) 1 D) 4/4

12. To subtract fractions, they must have:

A) The same numerator B) Different denominators C) The same denominator D) A common prime factor

13. What is 2/5 multiplied by 3/4?

A) 5/9 B) 6/20 C) 6/9 D) 8/15

14. Dividing a fraction by another fraction is equivalent to:

A) Multiplying the first fraction by the second fraction B) Multiplying the first fraction by the reciprocal of the second fraction C) Adding the fractions D) Subtracting the fractions

15. Which of the following is an improper fraction?

A) 1/2 B) 3/5 C) 8/3 D) 4/7

16. A mixed number consists of:

A) A whole number and a proper fraction B) A whole number and an improper fraction C) Two proper fractions D) Two improper fractions

17. What is the decimal representation of 3/10?

A) 0.03 B) 0.3 C) 3.0 D) 0.003

18. Which of the following is a terminating decimal?

A) 1/3 B) 2/7 C) 3/8 D) 1/9

19. The decimal representation of 1/4 is:

A) 0.25 B) 0.04 C) 0.4 D) 0.025

20. Which of the following is a non-terminating repeating decimal?

A) 1/2 B) 3/4 C) 5/10 D) 2/3

21. Adding decimals requires aligning the:

A) Rightmost digits B) Leftmost digits C) Decimal points D) Numerators

22. What is 0.5 + 0.25?

A) 0.75 B) 0.30 C) 0.075 D) 1.25

23. To multiply decimals, you multiply them as if they were whole numbers and then:

A) Add the number of decimal places from both numbers to the product B) Subtract the number of decimal places from both numbers from the product C) Place the decimal point at the beginning of the product D) Ignore the decimal places

24. What is 1.2 x 0.3?

A) 3.6 B) 0.36 C) 0.036 D) 1.5

25. Dividing a decimal by 10 shifts the decimal point:

A) One place to the right B) One place to the left C) Two places to the right D) Two places to the left

26. The number 0.125 is equivalent to which fraction?

A) 1/8 B) 1/4 C) 1/10 D) 125/10000

27. Which of the following numbers is neither positive nor negative?

A) 1 B) -1 C) 0 D) None of the above

28. The number of whole numbers between -3 and 3 is:

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

29. Which integer is the successor of -1?

A) -2 B) 0 C) 1 D) -1

30. What is the absolute value of -7?

A) -7 B) 7 C) 0 D) Undefined

31. The product of any integer and 0 is:

A) The integer itself B) 1 C) 0 D) -1

32. Which of the following fractions is equivalent to 0.5?

A) 1/3 B) 2/4 C) 3/5 D) 1/5

33. To convert a fraction to a decimal, you:

A) Multiply the numerator by the denominator B) Divide the numerator by the denominator C) Divide the denominator by the numerator D) Add the numerator and the denominator

34. Which property is illustrated by the equation 2 x (3 + 4) = (2 x 3) + (2 x 4)?

A) Commutative property of multiplication B) Associative property of addition C) Distributive property of multiplication over addition D) Identity property of multiplication

35. What is the reciprocal of 5/7?

A) 7/5 B) -5/7 C) 5/7 D) 1/5

36. Which of the following is the largest among 0.1, 0.01, 0.11, 0.101?

A) 0.1 B) 0.01 C) 0.11 D) 0.101

37. The sum of 3/5 and 1/5 is:

A) 4/10 B) 4/5 C) 3/5 D) 1/5

38. What is the additive inverse of 15?

A) 15 B) -15 C) 1/15 D) 0

39. Which number system includes positive and negative whole numbers?

A) Natural numbers B) Whole numbers C) Integers D) Rational numbers

40. The fraction 1/3 as a decimal is:

A) 0.3 B) 0.33 C) 0.333... D) 0.03

41. What is the result of 10 ÷ 0?

A) 0 B) 10 C) Undefined D) Infinity

42. Which of the following is a unit fraction?

A) 2/3 B) 1/5 C) 4/4 D) 7/2

43. The number 7.5 can be written as a mixed number:

A) 7 1/2 B) 7 5/10 C) 15/2 D) All of the above

44. What is the value of (-2) x (-3) x (-4)?

A) 24 B) -24 C) 12 D) -12

45. Which of the following is the smallest integer?

A) -100 B) -1 C) 0 D) There is no smallest integer

46. The fraction 7/10 is equivalent to the decimal:

A) 0.07 B) 0.7 C) 7.0 D) 0.007

47. Which property states that for any integers a, b, and c, a + (b + c) = (a + b) + c?

A) Commutative property of addition B) Associative property of addition C) Distributive property D) Identity property of addition

48. What is 1/2 of 3/4?

A) 3/8 B) 4/6 C) 1/2 D) 3/4

49. The number of integers between -2.5 and 2.5 is:

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

50. Which type of decimal has a finite number of digits after the decimal point?

A) Terminating decimal B) Non-terminating decimal C) Repeating decimal D) Recurring decimal

Number system: whole numbers integers fractions and decimals. - Online Test

Test Results