We have compiled the NCERT MCQ Questions for Class 6 Maths Chapter 2 Whole Numbers with Answers Pdf free download covering the entire syllabus. Practice MCQ Questions for Class 6 Maths with Answers on a daily basis and score well in exams. Refer to the Whole Numbers Class 6 MCQs Questions with Answers here along with a detailed explanation.
Q1.The largest 5-digit number having three different digits is
(1)99897
(2)98978
(3)98799
(4)99987
Answer
Answer: 99987
Q2.The difference between 85 and the number obtained by reversing the digits is
(1)26
(2)25
(3)72
(4)27
Answer
Answer: 27
Q3.The natural numbers along with zero form the collection of
(1) Integers
(2) Whole numbers
(3) Real numbers
(4) Rational numbers
Answer
Answer: Whole numbers
Q4.Find value of 297×17 + 297×3
(1)5980
(2)5940
(3)5970
(4)5942
Answer
Answer: 5940
Q5.The smallest whole number is:
(1)0
(2)1
(3) none of these
(4) not defined
Answer
Answer: 0
Q6.What are the three consecutive predecessors of 70010?
(1) 70009, 70008, 70010
(2) 70009, 70008, 7007
(3)70009
(4) 70009, 70008, 70007
Answer
Answer: 70009, 70008, 70007
Q7.Find product 12×35
(1)34840
(2)12600
(3)400
(4)420
Answer
Answer: 420
Q8.The difference between the smallest 3 digit number and the largest two digit number is:
(1)1
(2)0
(3) none of these
(4)(b) 2
Answer
Answer: 1
Q9.What is the quotient of 64 ÷ 1?
(1)0
(2)1
(3)64
(4)46
Answer
Answer: 64
Q10.3 × 10000 + 7 × 1000 + 9 × 100 + 0 × 10 + 4 is the same as
(1)37940
(2)3794
(3)379409
(4)37904
Answer
Answer: 37904
Q11.Study the pattern 1×8+1=9,12×8+2=98 Next step is-
(1) 1234×8+4=9876
(2) 123×8+3=987
(3) 13×8+3=987
(4) 120×8+3=963
Answer
Answer: 123×8+3=987
Q12.Number of whole numbers between 38 and 68 is
(1)30
(2)31
(3)29
(4)28
Answer
Answer: 29
Q13.The value of 25 × 20 × 5 is:
(1)2503
(2)2505
(3) none of these
(4)2500
Answer
Answer: 2500
Q14.Value of 0 ÷ 5 is:
(1)0
(2)5
(3) none of these
(4)1
Answer
Answer: 0
Q15.If 36 flats cost Rs 68251500 What is the cost of each flat
(1)Rs 135649
(2) Rs 198670
(3) Rs 1895875
(4) Rs 203456
Answer
Answer: Rs 198670
Q16.The predecessor of 1 lakh is
(1)99999
(2)99000
(3)100001
(4)999999
Answer
Answer: 99999
Q17.What is the predecessor of natural number 1?
(1)2
(2)0
(3) Does not exist
(4)10
Answer
Answer: Does not exist
Q18.The number of distinct prime factors of the largest 4-digit number is
(1)3
(2)2
(3)11
(4)5
Answer
Answer: 3
Q19.The value of 0 × 17 is:
(1)17
(2)0
(3) none of these
(4)18
Answer
Answer: 17
Q20.Subtraction of whole number is:
(1) associative
(2) dosed
(3) none of these
(4) commutative
Answer
Answer: none of these
Q21.The sum of two whole numbers is always:
(1)100
(2) zero
(3) odd number
(4) a whole number
Answer
Answer: a whole number
Q22.Simplify 126×55+126×45
(1)12400
(2)12000
(3)12500
(4)12600
Answer
Answer: 123×8+3=987
Q23.If the number 7254*98 is divisible by 22, the digit at * is
(1)2
(2)1
(3)0
(4)6
Answer
Q24.The value of 5 + 5 + 5 + upto 10 terms is:
(1)50
(2)40
(3) none of these
(4)60
Answer
Answer: 6
Q25.Division is the inverse of:
(1) subtraction
(2) addition
(3) none of these
(4) multiplication
Answer
Answer: 50
Q26.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?
(1)10
(2)9
(3)12
(4)11
Answer
Answer: multiplication
Q27.Find a whole number n such that n=2n
(1)100
(2)20
(3)1
(4)0
Answer
Answer: 10
Q28.What is the predecessor of 17
(1)18
(2)16
(3)17
(4)0
Answer
Answer: 0
Q29.When rounded off to nearest thousands, the number 85642 is
(1)85700
(2)85600
(3)86000
(4)85000
Answer
Answer: 16
Q30.If 1 is added to the greatest 7- digit number, it will be equal to
(1) 1 lakh
(2) 10 thousand
(3) 1 crore
(4) 10 lakh
Answer
Answer: 86000
Q31.The difference between the smallest natural number and the smallest whole number is:
(1)1
(2)0
(3) none of these
(4)2
Answer
Answer: 1 crore
Q32.Additive identity of whole number is:
(1)2
(2)1
(3) none of these
(4)0
Answer
Answer: 1
Q33.The product multiplication of a number with zero is always
(1) one
(2) zero
(3) none of these
(4) the number itself
Answer
Answer: 0
Q34.If the product of two whole numbers is one if
(1) two numbers are 1
(2) one number is 1
(3) none of these
(4) not defined
Answer
Answer: zero
Q35.The largest number which always divides the sum of any pair of consecutive odd numbers is
(1)4
(2)2
(3)8
(4)6
Answer
Answer: two numbers are 1
Q36.Which of the following is the greatest number that can be formed by the digits 7, 0, 9, 8, 6 and 3?
(1) 9, 87, 063
(2) 9, 87, 360
(3) 9, 87, 603
(4) 9, 87, 630
Answer
Answer: 4
Q37.The value of 61 × 1 is:
(1)0
(2)1
(3) none of these
(4)61
Answer
Answer: 9, 87, 630
Q38.Value of 5 ÷ 0 is:
(1)5
(2)1
(3) not defined
(4)0
Answer
Answer: 61
Q39.Find the sum 837+ 208 + 603
(1)1148
(2)1548
(3)1148
(4)1648
Answer
Answer: not defined
Q40.The successor of 1 million is
(1)1000001
(2) 2 million
(3)10001
(4)100001
Answer
Answer: 1648
Q41.Which of the following statements is not true?
(1) The HCF of two co prime numbers is 1
(2) The HCF of two distinct prime numbers is 1
(3) The HCF of an even and an odd number is even
(4) The HCF of two consecutive even numbers is 2
Answer
Answer: 1000001
Q42.Which of the following is not true
(1) (7 × 8) × 9 = 7 × (8 × 9)
(2) (7 + 8) + 9 = 7 + (8 + 9)
(3) 7 × (8 + 9) = (7 × 8) + (7 × 9)
(4) 7 + 8 × 9 = (7 + 8) × (7+ 9)
Answer
Answer: The HCF of an even and an odd number is even
Q43.The value of 5 ÷ 0 is:
(1)5
(2)0
(3) none of these
(4) meaningless
Answer
Answer: 7 + 8 × 9 = (7 + 8) × (7+ 9)
Q44.Which natural number has no predecessor
(1)1
(2)0
(3)100
(4)10
Answer
Answer: meaningless
Q45.The largest whole number is:
(1)9979
(2)99
(3) can not be found
(4)9999
Answer
Answer: 1
Q46.Which is the smallest whole number
(1)0
(2)1
(3)-1
(4)2
Answer
Answer: can not be found
Q47.Which is the whole number that does not have a predecessor?
(1)0
(2)100
(3)9
(4)1
Answer
Answer: 0
Q48.What is 238 ÷ 238?
(1)238
(2)0
(3)1
(4)28
Answer
Answer: 0
Q49.The smallest natural number is:
(1)0
(2)1
(3) none of these
(4) not defined
Answer
Answer: 1
Q50.Which number is identity for Addition of whole number?
(1)1
(2)0
(3)100
(4)10
Answer
Answer: 1
Q51.The school canteen charges Rs 20 for lunch Rs 4 for milk for each day How much money do you spend in 5 days on these things
(1)20
(2)100
(3)5
(4)120
Answer
Answer: 0
Q52.The number of distinct prime factors of the smallest 5-digit number is
(1)4
(2)2
(3)8
(4)6
Answer
Answer: 120
Q53.What is the additive identity element of 24?
(1)1
(2)124
(3)24
(4)0
Answer
Answer: 2
Q54.5 divided by 0 is
(1)0
(2)5
(3) not defined
(4)1
Answer
Answer: 0
Q55.15 – 12 ≠ 12 – 15. This statement shows that subtraction of whole numbers is:
(1) not associative
(2) not closed
(3) none of these
(4) not commutative
Answer
Answer: not defined
Q56.Write the correct number to complete: 13×100×……………. = 1300000
(1)1000
(2)10
(3)100
(4)10000
Answer
Answer: not commutative
Q57.Smallest natural number is
(1)1
(2)0
(3)-1
(4)2
Answer
Answer: 1000
Q58.The value of 472 × 0 is:
(1)0
(2)472
(3) none of these
(4) meaningless
Answer
Answer: 1