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: A table is bought for Rs.400/- and sold at Rs.600/- find gain or loss percentage

Option A: 15%loss

Option B: 10%gain

Option C: 30%gain

Option D: 20%loss

Option E: 50% gain
[A]: Option E

[Q]: Question: If the average (arithmetic mean) of x, x + 2, and x + 4 is 33, what is the value of x?

Option A: 30

Option B: 31

Option C: 32

Option D: 32

Option E: 37
[A]: Option B

[Q]: Question: In a division sum, the remainder is 6 and the divisor is 5 times the quotient and is obtained by adding 12 to the thrice of the remainder. The dividend is

Option A: 74

Option B: 78

Option C: 86

Option D: 126

Option E: 98
[A]:
Option D