Task: Question Answering
Input (English): Problem: a sells a bicycle to b and makes a profit of 25 %. b sells the same bicycle to c at a profit of 50 %. if the final s. p. of the bicycle was rs. 225, find out the cost price of the bicycle for a.
Options: a. 237, b. 126, c. 971, d. 611, e. 120
Output (English): e