Quiz Calculate

10 Questions

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Quiz Calculate

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Questions and Answers
  • 1. 
    Round off 10 021 correct to one significant figure?
    • A. 

      1

    • B. 

      2

    • C. 

      10 000

    • D. 

      20 000

  • 2. 
    Round off 0.0012429 correct to two significant figures?
    • A. 

      0.00012

    • B. 

      0.0012

    • C. 

      0.00120

    • D. 

      0.0013

  • 3. 
    Express  as a single number.
    • A. 

      7448

    • B. 

      744.8

    • C. 

      74.48

    • D. 

      7.448

  • 4. 
    A rectangular floor of a school hall has a length of 18 m and a width of 34 m. Square tiles with length 12 cm is used to cover the floor. Calculate the number of tiles required to cover the floor completely.
    • A. 
    • B. 
    • C. 
    • D. 
  • 5. 
    • A. 
    • B. 
    • C. 
    • D. 
  • 6. 
    State whether this statement is true or false.
    • A. 

      True

    • B. 

      False

  • 7. 
    State whether this statement is true or false. The elements of set  are multiples of 5 or the elements of set  are perfect squares.
    • A. 

      True

    • B. 

      False

  • 8. 
    Write down Premise 2 to complete the following argument: Premise 1   :  If b is a perfect square, then  is an integer Premise 2   :  ---------------------------------------------------------------- Conclusion :   is an integer
  • 9. 
    Write down the converse of the following implication: If k is a multiple of 25, then k is multiple of 5
  • 10. 
    Complete the following statements with the quantifiers "all" or "some" so that it will become a true statement. -------------------  perfect squares are odd numbers.