Posted by steve on Tuesday, May 24, 2011 at 5:53pm.
A toy box contains 6 different cars, 5 different trucks and 4 different motorcycles. In how many ways can a person select one item from each category. ( a car, a truck, a motorcycle)
A. 120
B. 15
C. 110
D. 49

math  Anonymous, Tuesday, May 24, 2011 at 6:10pm
A) 120
Because 5 times 4 times 6 equals 120

math  steve, Tuesday, May 24, 2011 at 6:18pm
seriously? but what about C(6,1) + C(5,1) + C(4,1) = 15?
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