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: the difference between two numbers is 2395 . when the larger number is divided by the smaller one , the quotient is 6 and the remainder is 15 . the smaller number is 
Options: a ) 120 , b ) 239 , c ) 476 , d ) 523 , e ) 526

SOLUTION: c

PROBLEM: Problem: if ( 1 – 1.5 ) n = 1 , then n = 
Options: a ) − 400 , b ) − 140 , c ) − 2 , d ) 4 , e ) 400

SOLUTION: c

PROBLEM: Problem: in a group of 160 people , 90 have an age of more 30 years , and the others have an age of less than 20 years . if a person is selected at random from this group , what is the probability the person ' s age is less than 20 ? 
Options: a ) 0.44 , b ) 0.55 , c ) 0.65 , d ) 0.75 , e ) 0.85

SOLUTION:
a