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Whole Numbers Test - 2

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Whole Numbers Test - 2
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Weekly Quiz Competition
  • Question 1
    1 / -0

    125 x 63 x 8 = _________

    Solution

    125 x 63 x 8

    = 125 x 8 x 63

    = (125 x 8) x 63 (using commutativity)

    = 1000 x 63

    = 63000

     

  • Question 2
    1 / -0

    _____ is neither commutative nor associative.

    Solution

    Subtraction is neither commutative nor associative.

     

  • Question 3
    1 / -0

    Which property of whole numbers is used to write 131 + 19  = 19  + 131

    Solution

    As per Commutative property of addition,

    a + b = b + a

     

  • Question 4
    1 / -0

    The number obtained by subtracting the predecessor of 320 from the successor of 1989 is

    Solution

    Predecessor is obtained by subtracting 1 from the number. So predecessor of 320 is 320 - 1 = 319

    Successor is obtained by adding 1 to a number. So, successor of 1989 is 1989 + 1 = 1990

    Now difference = 1990 - 319 = 1671

     

  • Question 5
    1 / -0

    How many whole numbers are not natural numbers?

    Solution

    Zero is the only whole number which is not natural number. hence, there is only 1 whole number which is not a natural number.

     

  • Question 6
    1 / -0

    How many whole numbers would satisfy the property p × p = p, where p is a whole number?

    Solution

    Only 2 whole numbers i.e. 1 and 0 satisfy the condition p × p = p

    As 1 × 1 = 1 and 0 ×0 = 0

     

  • Question 7
    1 / -0

    Whole number which does not have predecessor is

    Solution

    Whole number starts from zero itself, so starting number does not have predecessor

     

  • Question 8
    1 / -0

    The whole numbers between 5909 and 5913 are

    Solution

    The next whole number is obtained by adding 1 to the previous number.

    So 5909 + 1 = 5910, 5910 + 1 = 5911, 5911 + 1 = 5912

     

  • Question 9
    1 / -0

    X + Y = Y + X represents ______ law of addition.

    Solution

    X + Y = Y + X  is commutative law of addition.

     

  • Question 10
    1 / -0

    Which property of whole numbers can be used to write 511 + 0 = 511?

    Solution

    As per Additive Identity of whole numbers, 

    a + 0 = a = 0 + a

     

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