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: find the curved surface area, if the radius of a cone is 35 m and slant height is 30 m ?
Options: a. 1100, b. 2200, c. 3300, d. 4400, e. 5500

A: c
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Q: Problem: a and b started a business investing rs. 80,000 and rs 20,000 respectively. in what ratio the profit earned after 2 years be divided between a and b respectively ?
Options: a. 4: 1, b. 3: 2, c. 18: 20, d. 18: 4, e. 17: 4

A: a
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Q: Problem: in an exam, gibi scored 59 percent, jigi scored 55 percent, mike scored 99 percent and lizzy 67 percent. the maximum score awarded in the exam is 700. find the average mark scored by all the 4 students ?
Options: a. 471, b. 490, c. 480, d. 453, e. 456

A:
b
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