A box contains 10 tablets of medicine A and 15 tablets of medicine B. What is the least number of tablets that should be taken from the box to ensure that at least two tablets of each kind are among the extracted.
A)12
B)15
C)17
D)19
E)21Image may be NSFW.
Clik here to view.
A)12
B)15
C)17
D)19
E)21Image may be NSFW.
Clik here to view.
