In this task, you need to provide the correct option for a given problem on probability from the provided options.

[Q]: Problem: two cards are drawn together from a pack of 52 cards . the probability that one is a spade and one is a heart , is :
Options: a ) 2 / 109 , b ) 7 / 109 , c ) 8 / 223 , d ) 14 / 263 , e ) 13 / 102
[A]: e

[Q]: Problem: lola rolls a die 3 times . what is the probability that she gets a 4 on the last one of the 3 rolls ?
Options: a ) 215 / 216 , b ) 216 , c ) 1 / 216 , d ) none , e ) 2
[A]: a

[Q]: Problem: a bag contains 3 red , 5 yellow and 7 green balls . 3 balls are drawn randomly . what is the probability that the balls drawn contain balls of different colours ?
Options: a ) 2 / 7 , b ) 3 / 5 , c ) 3 / 13 , d ) 1 / 4 , e ) 7 / 16
[A]:
c