Monday, November 9, 2009

PS : 1

1. The 180 students in a group are to be seated in rows so that there is an equal number of students in each row. Each of the following could be the number of rows EXCEPT
(A) 4
(B) 20
(C) 30
(D) 40
(E) 90

2 comments:

  1. Answer : D
    we have to find the answer option which is not a multiple of 180 .
    Except D , all are multiple of 180 , hence D is the answer option

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  2. Factor not multiple...

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