Thursday, November 12, 2009

PS 7

In the expression above, a, b, and c are different numbers and each is one of the numbers 2, 3, or 5. What is the least possible value of the expression?
(A) 1/30
(B) 2/15
(C) 1/6
(D) 3/10
(E) 5/6

1 comment:

  1. Answer : B
    (a/b)/c is same as a/bc .
    to make the number least denominator should be high .
    hence 2/(3*5) is the least possible

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