TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: a “ palindromic integer ” is an integer that remains the same when its digits are reversed . so , for example , 43334 and 516615 are both examples of palindromic integers . how many 6 - digit palindromic integers are both even and greater than 500000 ?

SOLUTION: 200

PROBLEM: Problem: a diagonal of a polygon is an segment between two non - adjacent vertices of the polygon . how many diagonals does a regular 20 - sided polygon have ?

SOLUTION: 170', 'c ) 1425', 'd ) 2025', 'e ) 2500'

PROBLEM: Problem: a certain sum is invested at simple interest at 18 % p . a . for two years instead of investing at 12 % p . a . for the same time period . therefore the interest received is more by rs . 840 . find the sum ?

SOLUTION:
7000