CBSE Class 6 Maths Whole Numbers MCQs

Chapter 2 Whole Numbers MCQ Questions Class 6 Maths with Answers

Basic Concepts

1. What is the smallest whole number?
   a) 0
   b) 1
   c) 10
   d) -1
   Answer: a
2. Which number comes just before 50?
   a) 48
   b) 49
   c) 51
   d) 52
   Answer: b
3. Whole numbers do not include:
   a) 0
   b) 1
   c) 2
   d) -3
   Answer: d
4. Which number is not a whole number?
   a) 5
   b) 0
   c) -1
   d) 100
   Answer: c
5. What comes after 99?
   a) 98
   b) 100
   c) 101
   d) 90
   Answer: b
6. Which of these is the greatest?
   a) 0
   b) 100
   c) 25
   d) 10
   Answer: b
7. Which of these is a whole number?
   a) 5.5
   b) 3
   c) -2
   d) 4.9
   Answer: b
8. How many whole numbers are there between 0 and 10?
   a) 10
   b) 11
   c) 9
   d) 12
   Answer: a
9. The next number after 999 is:
   a) 998
   b) 1000
   c) 1001
   d) 990
   Answer: b
10. All natural numbers are:
    a) Whole numbers
    b) Negative numbers
    c) Decimal numbers
    d) Fractions
    Answer: a

Properties of Whole Numbers

11. Addition of two whole numbers is always a:
    a) Fraction
    b) Decimal
    c) Whole number
    d) Negative number
    Answer: c
12. Multiplication of two whole numbers gives a:
    a) Whole number
    b) Decimal
    c) Fraction
    d) Negative number
    Answer: a
13. Which is the identity element for addition in whole numbers?
    a) 0
    b) 1
    c) 10
    d) 2
    Answer: a
14. Which is the identity element for multiplication?
    a) 0
    b) 2
    c) 1
    d) 5
    Answer: c
15. What is 0 × 25?
    a) 0
    b) 25
    c) 1
    d) Cannot say
    Answer: a
16. Which number gives the same number when added to 0?
    a) 0
    b) 1
    c) Any number
    d) 10
    Answer: c
17. Which of the following is not closed under subtraction?
    a) Natural numbers
    b) Whole numbers
    c) Negative numbers
    d) Integers
    Answer: a
18. Which is true for 5 + 7 = 7 + 5?
    a) Commutative law of addition
    b) Associative law
    c) Identity law
    d) Closure law
    Answer: a
19. (2 + 3) + 4 = 2 + (3 + 4) is an example of:
    a) Commutative property
    b) Distributive property
    c) Associative property
    d) Closure property
    Answer: c
20. Which of the following is true for whole numbers?
    a) Subtraction is not always a whole number
    b) Multiplication is not defined
    c) 0 is not included
    d) Addition gives decimals
    Answer: a

Operations and Patterns

21. What is 15 + 0?
    a) 0
    b) 1
    c) 15
    d) 16
    Answer: c
22. What is 1 × 100?
    a) 1
    b) 100
    c) 101
    d) 0
    Answer: b
23. What is 12 – 0?
    a) 0
    b) 12
    c) 1
    d) -1
    Answer: b
24. Which one is true for multiplication?
    a) 3 × 2 = 2 × 3
    b) 3 × 2 ≠ 2 × 3
    c) 3 × 2 = 6.0
    d) 3 × 2 = 5
    Answer: a
25. Which number has no predecessor in whole numbers?
    a) 0
    b) 1
    c) 10
    d) 100
    Answer: a
26. What is 6 × 0 + 5?
    a) 5
    b) 6
    c) 0
    d) 11
    Answer: a
27. Which one is correct?
    a) 0 + 5 = 0
    b) 0 × 5 = 5
    c) 5 + 0 = 5
    d) 5 × 0 = 5
    Answer: c
28. Which of these is an even number?
    a) 3
    b) 5
    c) 8
    d) 7
    Answer: c
29. Which of the following numbers is odd?
    a) 2
    b) 6
    c) 9
    d) 4
    Answer: c
30. What is the sum of first 3 whole numbers? (0 + 1 + 2)
    a) 3
    b) 2
    c) 6
    d) 4
    Answer: a

Logical & Application-Based

31. If you add 10 to 0, you get:
    a) 0
    b) 5
    c) 10
    d) 1
    Answer: c
32. Which one is true?
    a) 0 – 3 = 3
    b) 2 – 1 = 1
    c) 4 – 5 = 9
    d) 3 – 2 = 0
    Answer: b
33. What is the product of first 2 whole numbers (0 × 1)?
    a) 0
    b) 1
    c) 2
    d) 10
    Answer: a
34. Which is the correct order?
    a) 10, 5, 0
    b) 0, 1, 2
    c) 5, 2, 3
    d) 3, 1, 2
    Answer: b
35. Whole numbers are used for:
    a) Counting only
    b) Negative counting
    c) Measuring speed
    d) Counting and zero
    Answer: d