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

[EX Q]: Problem: a bag contains 5 green and 8 white balls . if two balls are drawn simultaneously , the probability that both are of the same colour is 
Options: a ) 8 / 15 , b ) 2 / 5 , c ) 3 / 5 , d ) 11 / 15 , e ) 19 / 39
[EX A]: e

[EX Q]: Problem: 9 log 9 ( 7 ) = ? 
Options: a ) 1 , b ) 2 , c ) 7 , d ) 4 , e ) 5
[EX A]: c

[EX Q]: Problem: a person want to give his money of $ 1000 to his 3 children a , b , c in the ratio 6 : 4 : 5 what is the a + b share ? 
Options: a ) $ 660.67 , b ) $ 646.67 , c ) $ 666.67 , d ) $ 500.56 , e ) $ 600.24
[EX A]:
c