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.

Q: 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

A: Option C
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Q: Question: If x < y < 0, which of the following must be true?

 Option A: 2xy/3x is a negative integer

 Option B: x-y is a positive integer

 Option C: (-x

 Option D: x/y is a negative integer

 Option E: 2x+y is a negative integer

A: Option C
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Q: Question: If l / r is an integer, which of the following statements must be true?

 Option A: both l and r are integers

 Option B: r / l is an integer

 Option C: r is an integer

 Option D: l = nr where n is an integer

 Option E: either l or r is negative

A:
Option D
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