TASK DEFINITION: In this task, you need to provide the correct option for a given problem from the provided options.
PROBLEM: Problem: in a class of 120 students , 25 did not opt for math . 10 did not opt for science and 2 did not opt for either . how many students of the class opted for both math and science ? 
Options: a ) 63 , b ) 95 , c ) 77 , d ) 87 , e ) 48

SOLUTION: d

PROBLEM: Problem: the ratio of three numbers is 2 : 3 : 5 and their sum is 150 . the second number of the three numbers is ? 
Options: a ) 24 , b ) 26 , c ) 27 , d ) 29 , e ) 45

SOLUTION: e

PROBLEM: Problem: a bag contains 6 red , 4 blue and 2 green balls . if 2 ballsare picked at random , what is the probability that both are red ? 
Options: a ) 1 / 13 , b ) 2 / 23 , c ) 5 / 26 , d ) 5 / 22 , e ) 3 / 23

SOLUTION:
d