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: a person incurs a loss of 5 % be selling a watch for rs. 1140. at what price should the watch be sold to earn 5 % profit
Options: a. rs. 1200, b. rs. 1230, c. rs. 1260, d. rs. 1290, e. none of these

A: c
****
Q: Problem: 108 ã — 108 + 92 ã — 92 = ?
Options: a. 20120, b. 11500, c. 20128, d. 20660, e. 20228

A: c
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Q: Problem: after successive discounts of 20 %, 10 % and 5 % a certain good is sold for rs. 6500. find the actual price of the good.
Options: a. s. 6000, b. s. 9000, c. s. 10800, d. s. 9503, e. s. 9980

A:
d
****