MathematicsA group of 3 friends staying together consume 54kg of wheat every month, some more friends join this group and they find that the same amount of wheat last for 18 days. How many new members are there in this group now?

A group of 3 friends staying together consume 54kg of wheat every month, some more friends join this group and they find that the same amount of wheat last for 18 days. How many new members are there in this group now?


  1. A
    10 members
  2. B
    7 members
  3. C
    2 members
  4. D
    20 members 

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    Solution:

    Let x be the number of new members in the group.
    Number of  members   3      x
    Numbers of days          30    18
    Since, more members can finish the wheat less number of days, it is s case of inverse variation.
    The number of new members in the group
    Hence, Option (2) is the correct answer.
     
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