instruction:
In this task, you need to provide the correct option for a given problem from the provided options.
question:
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
answer:
d


question:
Problem: if 0.4 of a number is equal to 0.06 of another number , the ratio of the numbers i 
Options: a ) 2 : 3 , b ) 3 : 4 , c ) 3 : 20 , d ) 20 : 3 , e ) none
answer:
c


question:
Problem: what is the square root of 144 , divided by 6 ? 
Options: a ) 9 , b ) 36 , c ) 2 , d ) 6 , e ) 1
answer:

c