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: Sum of 19 odd numbers is?

 Option A: 341

 Option B: 351

 Option C: 361

 Option D: 371

 Option E: 381

Answer: Option C


Question: Question: If 0.5 : x :: 5 : 8, then x is equal to:

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: E

Answer: Option E


Question: Question: A sum of money deposited at C.I. amounts to Rs.2420 in 2 years and to Rs.3146 in 3 years. Find the rate percent?

 Option A: 11

 Option B: 30

 Option C: 28

 Option D: 24

 Option E: 82

Answer:
Option B