A deck of cards contains 6 cards numbered from 1, 2, 3, 4, 5, and to 6. If three cards are randomly selected from the deck without replacement, what is the probability that the numbers on the cards are in increasing order?
A. 1/60
B. 1/30
C. 1/20
D. 1/6
E. 1/3
A. 1/60
B. 1/30
C. 1/20
D. 1/6
E. 1/3