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4th Class Mathematics Factors and Multiples Question Bank Factors and Multiples

  • question_answer
    Which of the following is the least 2-digit number that has 2, 5 and 8 as factors?

    A)  80                  

    B)    40      

    C)  16                  

    D)    10

    Correct Answer: B

    Solution :

    \[\text{4}0=\text{1 }\times \text{ 4}0;\text{ 2 }\times \text{ 2}0;\text{ 4 }\times \text{ 1}0;\text{ 5}\times \text{ 8}\] \[\therefore \] 40 is the least 2-digit number that has 2, 5 and 8 as factors.


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