TASK DEFINITION: In this task, you need to answer the given multiple-choice question on the gain. Gain is the value by which to multiply the input. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.
PROBLEM: Problem: $ 2,000 is deposited in a savings account that pays 4 % annual interest compounded semiannually . to the nearest dollar , how much is in the account at the end of the year ? 
Options: a ) $ 2125.15 , b ) $ 2083.12 , c ) $ 2184.22 , d ) $ 2150.84 , e ) $ 2080.80

SOLUTION: e

PROBLEM: Problem: a number exceeds 20 % of itself by 40 . the number is ? 
Options: a ) 50 , b ) 60 , c ) 80 , d ) 320 , e ) none

SOLUTION: a

PROBLEM: Problem: victor gets 80 % marks in examinations . if these are 240 marks , find the maximum marks . 
Options: a ) 334 , b ) 300 , c ) 376 , d ) 288 , e ) 271

SOLUTION:
b