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: find the compound interest on $ 50000 in 2 years at 4 % per annum , the interest being compounded half - yearly ?
Options: a ) $ 645.56 , b ) $ 4121.60 , c ) $ 954.26 , d ) $ 745.69 , e ) $ 1020.45

SOLUTION: b

PROBLEM: Problem: walking 7 / 6 of his usual rate , a boy reaches his school 3 min early . find his usual time to reach the school ?
Options: a ) 21 , b ) 28 , c ) 99 , d ) 77 , e ) 66

SOLUTION: a

PROBLEM: Problem: a man sold 18 toys for rs . 16800 , gaining thereby the cost price of 3 toy find the cost price of a toy
Options: a ) rs . 600 , b ) rs . 800 , c ) rs . 500 , d ) rs . 900 , e ) rs . 970

SOLUTION:
b