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

  • question_answer
    Suhana wants to buy flowers for her friends. She can buy roses in bunch of flowers and carnations in bunch of 10 flowers. She wants to buy the same number of roses and carnations. What is the minimum number of flowers Suhana will need to buy?

    A) 70 flowers                   

    B) 140 flowers  

    C) 130 flowers                 

    D) 80 flowers

    Correct Answer: B

    Solution :

    Number of roses Suhana can buy: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77......... Number of carnations Suhana can buy: 10, 20, 30, 40, 50, 60, 70....... Since, 70 is the common (minimum multiple). \[\therefore \]The minimum number of flowers she can buys are\[70+70=140\].


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