In this task, you need to provide the correct option for a given problem on probability from the provided options.
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Question: Problem: a bag contains 6 black and 5 white balls . one ball is drawn at random . what is the probability that the ball drawn is white ? 
Options: a ) 3 / 4 , b ) 5 / 11 , c ) 1 / 7 , d ) 1 / 8 , e ) 4 / 3

Answer: b


Question: Problem: 4 dice are thrown simultaneously on the board . find the probability show the same face ? 
Options: a ) 2 / 113 , b ) 1 / 215 , c ) 1 / 216 , d ) 3 / 113 , e ) 4 / 113

Answer: c


Question: Problem: what is the probability that a two digit number selected at random is a multiple of 3 and not a multiple of 5 ? 
Options: a ) 1 / 15 , b ) 2 / 15 , c ) 4 / 15 , d ) 7 / 15 , e ) none of these

Answer:
c