Q21 Three different numbers are selected at random from the set A = {1, 2, 3,...,15}. The probability that the product of two is equal to the third one is
A>1/65
B>7/65
C>1/13
D>5/13
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1 Answers
1A)
(2,3,6) (2,4,8) (2,5,10) (2,6,12),(2,7,14),(3,4,12) ,(3,5,15)
r the only sets possible.
7/15C3
