John attends a magic show and the magician asks him to pick three different numbers between 10 and 20 inclusive. Assuming that John selects the numbers randomly, what is the probability that John will pick the numbers 12 and 15 as two of his three selections?
A. 2/42
B. 3/55
C. 1/15
D. 4/36
E. 2/11
Answer discussed in the next post -
A. 2/42
B. 3/55
C. 1/15
D. 4/36
E. 2/11
Answer discussed in the next post -