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: Albert invested an amount of Rs. 8000 in a fixed deposit scheme for 2 years at compound interest rate 5 p.c.p.a. How much amount will Albert get on maturity of the fixed deposit?

Option A: Rs. 8600

Option B: Rs. 8620

Option C: Rs. 8820

Option D: Rs. 8000

Option E: None of these

Answer: Option C

Question: Question: X is a prime number bigger than 10. Also, Y = X+X^3+X^5+X^7. What is definitely true about Y?

Option A: Y is a prime number.

Option B: Y is odd.

Option C: Y is even.

Option D: Y is divisible by 3.

Option E: Y is divisible by 7.

Answer: Option C

Question: Question: A board of length L feet is cut into two pieces such that the length of piece A is 4 feet less than three times the length of piece B. Which of the following is the length, in feet, of piece A?

Option A: (L+4

Option B: (L-4

Option C: (3L-4

Option D: (3L-1

Option E: (3L+4

Answer:
Option C