TASK DEFINITION: In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
PROBLEM: Problem: 120 + 520 ÷ 5.00 = ? 
Options: a ) 100 , b ) 150 , c ) 120 , d ) 520 , e ) none

SOLUTION: e

PROBLEM: Problem: the sum of ages of 5 children born at the intervals of 3 years each is 80 years . what is the age of the youngest child ? 
Options: a ) 3 years , b ) 4 years , c ) 6 years , d ) 7 years , e ) 10 years

SOLUTION: e

PROBLEM: Problem: x ^ 2 + sx + 72 = 0 has two distinct integer roots ; how many values are possible for s ? 
Options: a ) 3 , b ) 6 , c ) 8 , d ) 12 , e ) 24

SOLUTION:
d