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6th Class Mathematics Knowing our Numbers Question Bank Number System

  • question_answer
    DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage - 3 Anshi is an interior decorator in a hotel. She decided to put a flower-vase with flowers in each of the hotel rooms. She had 45 roses and 60 lilies. She decides to arrange all the vases identically. What are the largest number of rooms in which flowers?

    A)  13                         

    B)              15

    C)  180                       

    D)              140

    Correct Answer: B

    Solution :

         \[45=3\times 3\times 5\] \[60=2\times 2\times 3\times 5\] Common factors are 3, 5 Hence, \[HCF=3\times 5=15\] So, largest number of rooms =15


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