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: a number is doubled and 6 is added . if resultant is trebled , it becomes 72 . what is that number 
Options: a ) 8 , b ) 10 , c ) 9 , d ) 14 , e ) 16

SOLUTION: c

PROBLEM: Problem: ( 51 + 52 + 53 + … … … + 100 ) is equal to : 
Options: a ) 2525 , b ) 2975 , c ) 3225 , d ) 3775 , e ) 3885

SOLUTION: d

PROBLEM: Problem: if 9 a - b = 10 b + 65 = - 12 b - 2 a , what is the value of 11 a + 11 b ? 
Options: a ) - 11 , b ) - 5 , c ) 0 , d ) 5 , e ) 11

SOLUTION:
c