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: after decreasing 40 % in the price of an article costs rs . 1050 . find the actual cost of an article ? 
Options: a ) 1200 , b ) 1750 , c ) 1050 , d ) 1570 , e ) 1005

SOLUTION: b

PROBLEM: Problem: rs . 900 amounts to rs . 920 in 3 years at simple interest . if the interest is increased by 3 % , it would amount to how much ? 
Options: a ) rs . 1056 , b ) rs . 1001 , c ) rs . 2056 , d ) rs . 1026 , e ) rs . 1856

SOLUTION: b

PROBLEM: Problem: find the c . i . on a sum of rs . 1600 for 9 months at 20 % per annum , interest being compounded quarterly ? 
Options: a ) 3388 , b ) 2778 , c ) 2522 , d ) 2988 , e ) 2771

SOLUTION:
c