You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.
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Question: Question: Look at this series: 8, 43, 11, 41, __, 39, 17, ... What number should fill in the blank?

 Option A: 22

 Option B: 33

 Option C: 14

 Option D: 16

 Option E: 18

Answer: Option C


Question: Question: which no. need to add to 859622 to get a number exactly divisible by 456?

 Option A: 345652

 Option B: 547678

 Option C: 356789

 Option D: 778990

 Option E: 859622

Answer: Option E


Question: Question: A amount doubles itself in 15 years. what is the rate of interest?

 Option A: 20/3 %

 Option B: 10/3 %

 Option C: 40/3 %

 Option D: 50/3 %

 Option E: 70/3 %

Answer:
Option A