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10th Class Mathematics Real Numbers Question Bank MCQs - Real Numbers

  • question_answer
    A forester wants to plant 66 apple trees, 88 banana trees and 110 mango trees in equal rows (in terms of number of trees). Also he wants to make distinct rows of trees (i.e., only one type of trees in one row). The number of minimum rows required are:

    A) 2

    B) 3

    C) 10

    D) 12

    Correct Answer: D

    Solution :

    Sol.      [d] HCF of 66, 88 and \[110=22\]                          
    \[\therefore \]  Number of rows \[=\frac{66}{22}+\frac{88}{22}+\frac{110}{22}\]
                \[=3+4+5=12\]


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