Here we are providing Class 6 Math Important Objective Chapter – 2 Whole Numbers because its very important for Class 6 students as we all know that every board exam question has MCQs so that students should practice these questions so that students can get good marks in board. Class 6 Math Important Objective Chapter – 2 Whole Numbers is an extremely important and its also a year in which students learn the fundamentals of concepts that help them lay a solid foundation for their higher education. Here we are providing in Class 6 Math Important Objective Chapter – 2 Whole Numbers 80+ questions so that students practice more and more. If you want class wise Notes Then Click Here
Class 6 Math Important Objective Chapter – 2 Whole Numbers
1. 437 × 102 =
(a) 45,584
(b) 44,574
(c) 54,544
(d) 46,874
Ans-(b)
2. The successor of 99 is
(a) 99
(b) 98
(c) 100
(d) none of these.
Ans-(c)
3. 925 × 99 =
(a) 90,655
(b) 92,570
(c) 91,585
(d) 91,575
Ans-(d)
4. The largest 5-digit number having three different digits is
(a) 98978
(b) 99897
(c) 99987
(d) 98799
Ans-(c)
5. 143 × 22 + 143 × 8 =
(a) 4,290
(b) 4,480
(c) 5,290
(d) 6,260
Ans-(a)
6. The predecessor of 100 is
(a) 101
(b) 100
(c) 99
(d) none of these.
Ans-(c)
7. 12345 × 15 – 2469 × 25 =
(a) 1,43,350
(b) 1,24,460
(c) 1,22,420
(d) 1,23,450
Ans-(d)
8. The difference between 85 and the number obtained by reversing the digits is
(a) 25
(b) 26
(c) 27
(d) 72
Ans-(c)
9. 92785 × 98 + 92785 × 2 =
(a) 92,88,400
(b) 92,78,500
(c) 92,68,300
(d) 92,78,100
Ans-(b)
10. The successor of 27 is
(a) 26
(b) 25
(c) 24
(d) 28.
Ans-(d)
11. The natural numbers along with zero form the collection of
(a) Whole numbers
(b) Integers
(c) Rational numbers
(d) Real numbers
Ans-(a)
12. Write the smallest 3-digit number which will not change on reversing the digits.
(a) 100
(b) 888
(c) 999
(d) 101
Ans-(d)
13. The predecessor of 36 is
(a) 34
(b) 35
(c) 33
(d) 37.
Ans-(b)
14. The difference of smallest 3-digit number and its predecessor is
(a) 1
(b) 0
(c) 2
(d) 100
Ans-(a)
15. Find value of 297×17 + 297×3
(a) 5940
(b) 5980
(c) 5942
(d) 5970
Ans-(a)
16. The natural number that has no predecessor is
(a) 1
(b) 10
(c) 100
(d) 1000.
Ans-(a)
17. What is the sum of two even numbers?
(a) odd
(b) even
(c) depends on numbers
(d) can’t say
Ans-(b)
18. The smallest whole number is
(a) 1
(b) 0
(c) not defined
(d) none of these
Ans-(b)
19. The difference between the successor of a number and the number it self is
(a) 0
(b) – 1
(c) 1
(d) none of these.
Ans-(c)
20. What are the three consecutive predecessors of 70010?
(a) 70009, 70008, 7007
(b) 70009, 70008, 70010
(c) 70009, 70008, 70007
(d) 70009
Ans-(c)
21. What is the sum of two odd numbers?
(a) depends on numbers
(b) odd
(c) can’t say
(d) even
Ans-(d)
22. The difference between the predecessor of a number and the number it self is
(a) 1
(b) -1
(c) 2
(d) -2.
Ans-(b)
23. Find product 12×35
(a) 12600
(b) 34840
(c) 420
(d) 400
Ans-(c)
24. Product of two odd numbers and one even number is an
(a) odd
(b) can’t say
(c) even
(d) depends on numbers
Ans-(c)
25. The difference between the successor and the predecessor of a number is
(a) 1
(b) 2
(c) -1
(d) – 2.
Ans-(b)
26. The difference between the smallest 3 digit number and the largest two digit number is
(a) 0
(b) 1
(b) 2
(d) none of these
Ans-(b)
27. To find the predecessor of a number, we have to subtract from the number itself.
(a) 1
(b) 2
(c) 3
(d) 4.
Ans-(a)
28. The successor of the smallest counting number is
(a) 0
(b) 1
(c) 2
(d) 3
Ans-(c)
29. What is the quotient of 64 ÷ 1?
(a) 1
(b) 0
(c) 46
(d) 64
Ans-(d)
30. When a number (N) is divided by divisor (D), quotient Q and remainder R, then they are connected by the relation
(a) N = D × Q + R
(b) D = Q × N + R
(c) Q = N × D + R
(d) N = D × Q – R
Ans-(a)
31. To find the successor of a number, we have to add the number itself.
(a) 4
(b) 3
(c) 2
(d) 1.
Ans-(d)
32. 3 × 10000 + 7 × 1000 + 9 × 100 + 0 × 10 + 4 is the same as
(a) 3794
(b) 37940
(c) 37904
(d) 379409
Ans-(c)
33. The whole number which does not have a predecessor in whole number system is
(a) 0
(b) 1
(c) 2
(d) none of these
Ans-(a)
34. The smallest whole number is
(a) 0
(b) 1
(c) -1
(d) none of these
Ans-(a)
35. Study the pattern 1×8+1=9
12×8+2=98
Next step is-
(a) 123×8+3=987
(b) 1234×8+4=9876
(c) 120×8+3=963
(d) 13×8+3=987
Ans-(a)
36. The predecessor of 1 million is
(a) 99999
(b) 999999
(c) 1000001
(d) 9999
Ans-(a)
37. Which of the following statement is true?
(а) All natural numbers are also whole numbers.
(b) All whole numbers are also natural numbers.
(c) There is no smallest whole number.
(d) The greatest whole number is 100.
Ans-(a)
38. Number of whole numbers between 38 and 68 is
(a) 31
(b) 30
(c) 28
(d) 29
Ans-(d)
39. Which of the following is true?
(a) 210 > 201
(b) 210 < 201
(c) 210 = 201
(d) none of these.
Ans-(a)
40. The value of 25 × 20 × 5 is
(a) 2505
(b) 2503
(c) 2500
(d) none of these
Ans-(c)
41. The product of the predecessor and the successor of the greatest 2- digit number is
(a) 9800
(b) 9700
(c) none of these
(d) 9900
Ans-(a)
42. Which of the following statement is true?
(a) 1 is the smallest natural number.
(b) 50 is the predecessor of 49.
(c) 1 is the smallest whole number.
(d) 599 is the successor of 600.
Ans-(a)
43. Value of 0 ÷ 5 is
(a) 5
(b) 0
(c) 1
(d) none of these
Ans-(b)
44. What will be the product of 838*103 using distributive property?
(a) 86314
(b) 72416
(c) 80925
(d) 64640
Ans-(a)
45. Which of the following statement is true?
(a) The whole number 0 has no predecessor.
(b) There are 10 whole numbers between 11 to 21.
(c) The successor of a two digit number is always a two digit number.
(d) The predecessor of a two digit number is never a single digit number.
Ans-(a)
46.If 36 flats cost Rs 68251500 What is the cost of each flat
(a) Rs 198670
(b)Rs 135649
(c) Rs 203456
(d)Rs 1895875
Ans-(a)
47. How many natural numbers are there between 1 and 10?
(a) 6
(b) 7
(c) 8
(d) 9.
Ans-(c)
48. What is the value of 50/0?
(a) Not Defined
(b) 0
(c) 50
(d) 1
Ans-(a)
49. The predecessor of 1 lakh is
(a) 99000
(b) 99999
(c) 999999
(d) 100001
Ans-(b)
50. Find 27 ÷ (9 ÷ 3).
(a) 3
(b) 6
(c) 9
(d) 27.
Ans-(c)
51. What is the predecessor of natural number 1?
(a) 0
(b) 2
(c) 10
(d) Does not exist
Ans-(d)
52. Find (24 ÷ 4) – 2.
(a) 1
(b) 3
(c) 4
(d) 2.
Ans-(b)
53. The number of distinct prime factors of the largest 4-digit number is
(a) 2
(b) 3
(c) 5
(d) 11
Ans-(b)
54. Which of the following will not represent zero?
(a) 0 + 1
(b) 0 × 0
(c) 0-5
(d) 1 – 2
Ans-(a)
55. The value of 0 × 17 is
(a) 0
(b) 17
(c) 18
(d) none of these
Ans-(a)
56. 1 ÷ 0 =
(a) 1
(b) 0
(c) 2
(d) not defined
Ans-(d)
57. Subtraction of whole number is
(a) dosed
(b) associative
(c) commutative
(d) none of these
Ans-(d)
58. ‘Whole numbers are closed under addition and multiplication.’ This property is known as
(a) closure property
(b) commutativity of addition and multiplication
(c) associativity of addition and multiplication
(d) distributivity of multiplication over addition.
Ans-(a)
59. The sum of two whole numbers is always
(a) zero
(b) 100
(c) a whole number
(d) odd number
Ans-(c)
60. ‘3 + 5 = 5 + 3’
The above is known as
(a) closure property
(b) commutativity of addition
(c) commutativity of multiplication
(d) none of these.
Ans-(b)
61. Simplify 126×55+126×45
(a)12000
(b) 12400
(c) 12600
(d) 12500
Ans-(a)
62. ‘3 × 5 = 5 × 3’
The above is known as
(a) closure property
(b) commutativity of addition
(c) commutativity of multiplication
(d) none of these.
Ans-(c)
63. Which is the whole number that does not have a predecessor?
(a) 100
(b) 0
(c) 1
(d) 9
Ans-(b)
64. ‘(1 + 2) + 3 = 1 + (2 + 3)’
The above is known as
(a) commutativity of addition
(b) associativity of addition
(c) commutativity of multiplication
(d) associativity of multiplication.
Ans-(b)
65. By using dot (•) patterns, which of the following numbers can be arranged in all the three ways namely a line, a triangle and a rectangle?
(a) 9
(b) 10
(c) 11
(d) 12
Ans-(b)
66. ‘(2 × 3) × 4 = 2 × (3 × 4)’
The above is known as
(a) commutativity of addition
(b) associativity of addition
(c) commutativity of multiplication
(d) associativity of multiplication.
Ans-(d)
67. Find a whole number n such that n=2n
(a) 20
(b) 100
(c) 0
(d) 1
Ans-(c)
68. ‘2 × (3 + 4) = (2 × 3) + (2 × 4)’
The above is known as
(a) distributivity of multiplication over addition
(b) associativity of addition
(c) associativity of multiplication
(d) none of these.
Ans-(a)
69. What is the predecessor of 17
(a) 16
(b) 18
(c) 0
(d) 17
Ans-(a)
70. I purchased 10 litres of milk in the morning and 5 litres of milk in the evening. If the milk costs ₹ 30 per litre, how much money will I have to pay to the milkman?
(a) ₹ 450
(b) ₹ 300
(c) ₹ 150
(d) none of these.
Ans-(a)
71. When rounded off to nearest thousands, the number 85642 is
(a) 85600
(b) 85700
(c) 85000
(d) 86000
Ans-(d)
72. Which of the following is true?
(a) The number 2 can be arranged as a line.
(b) The number 2 can be arranged as a square.
(c) The number 2 can be arranged as a triangle.
(d) The number 2 can be arranged as a rectangle.
Ans-(a)
73. If 1 is added to the greatest 7- digit number, it will be equal to
(a) 10 thousand
(b) 1 lakh
(c) 10 lakh
(d) 1 crore
Ans-(d)
74. The number 5 can be arranged as a
(a) line
(b) rectangle
(c) square
(d) triangle.
Ans-(a)
75. Which of the following is the greatest number that can be formed by the digits 7, 0, 9, 8, 6 and 3?
(a) 9, 87, 360
(b) 9, 87, 063
(c) 9, 87, 630
(d) 9, 87, 603
Ans-(c)
76. The number 6 cannot be shown as a
(a) square
(b) line
(c) rectangle
(d) triangle.
Ans-(a)
77. The value of 61 × 1 is
(a) 1
(b) 0
(c) 61
(d) none of these
Ans-(c)
