TASK DEFINITION: In this task, you need to answer the given multiple-choice question on geometry. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
PROBLEM: Problem: if the radius of a circle is decreased 20 % , what happens to the area ?
Options: a ) 10 % decrease , b ) 20 % decrease , c ) 36 % decrease , d ) 40 % decrease , e ) 50 % decrease

SOLUTION: c

PROBLEM: Problem: the product of the squares of two positive integers is 9 . how many pairs of positive integers satisfy this condition ?
Options: a ) 0 , b ) 1 , c ) 2 , d ) 3 , e ) 4

SOLUTION: b

PROBLEM: Problem: the length of a rectangle is halved , while its breadth is tripled . wat isthe % change in area ?
Options: a ) 40 % , b ) 45 % , c ) 50 % , d ) 60 % , e ) 67 %

SOLUTION:
c