A box contains 8 red, 4 white and 3 black balls. One ball is taken randomly. What is the probability that the drawn ball is white?
A3/15
B7/15
C4/15
D4/13
A3/15
B7/15
C4/15
D4/13
Related Questions:
Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number.
3 : 17 :: 6: ? :: 9 : 47