Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

Q: Problem: on the independence day, bananas were be equally distributed among the children in a school so that each child would get two bananas. on the particular day 360 children were absent and as a result each child got two extra bananas. find the actual number of children in the school ?
Options: a. 237, b. 287, c. 197, d. 287, e. 720

A: e
****
Q: Problem: a merchant marks his goods up by 30 % and then offers a discount of 10 % on the marked price. what % profit does the merchant make after the discount ?
Options: a. 17 %, b. 25 %, c. 69 %, d. 31 %, e. 19 %

A: a
****
Q: Problem: si on a certain sum of money for 3 yrs at 8 percent / annum is 1 / 2 the ci on rs. 4000 for 2 yrs at 10 percent / annum. the sum placed on si is ?
Options: a. rs. 1700, b. rs. 1720, c. rs. 1750, d. rs. 1850, e. rs. 2000

A:
c
****