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: what sum of money will produce rs . 70 as simple interest in 4 years at 4 1 / 2 percent ?
Options: a ) 263 , b ) 500 , c ) 388.9 , d ) 368 , e ) 339

SOLUTION: c

PROBLEM: Problem: a number increased by 20 % gives 480 . the number is ?
Options: a ) 200 , b ) 300 , c ) 400 , d ) 500 , e ) 600

SOLUTION: c

PROBLEM: Problem: an investment compounds annually at an interest rate of 30 % what is the smallest investment period by which time the investment will more than double in value ?
Options: a ) 3 , b ) 4 , c ) 5 , d ) 6 , e ) 7

SOLUTION:
a