The task is to generate the correct answer for a given math problem.
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Question: Problem: a worker is paid a regular rate of rs . 30 for completing a survey . the worker completes 100 surveys per week . for any survey involving the use of her cellphone , she is paid at a rate of that is 20 % higher than her regular rate . if she completed 50 surveys involving the use of her cellphone , how much did she get that week ?

Answer: 330


Question: Problem: what is the 149 th digit to the right of the decimal point in the decimal form of 30 / 33 ?

Answer: 9


Question: Problem: the bases of a hemisphere and a cone are equal . if their heights are also equal then ratio between their curved surface area is —

Answer:
√ 2 ∶ 1', 'c ) 1 : 2', 'd ) 2 : 1', 'e ) none of these'