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: Every year an amount increases by 1/8th of itself. How much will it be after two years if its present value is Rs.1600?

 Option A: 3000

 Option B: 4200

 Option C: 2025

 Option D: 1205

 Option E: 3251

Answer: Option C


Question: Question: Which of the following is NOT a factor of 10! ?

 Option A: 1440

 Option B: 625

 Option C: 160

 Option D: 80

 Option E: 50

Answer: Option B


Question: Question: If X is 30% greater than Y, Z is 25% smaller than how much percent is X greater than Z?

 Option A: 25%

 Option B: 73 1/3%

 Option C: 73%

 Option D: 74%

 Option E: None of these

Answer:
Option B