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.

Question: Look at this series: 15, 15, 27, 27, 39, 39, 51, 51, 63, 63, ? ... What number should fill the blank?

Option A: 51

Option B: 39

Option C: 75

Option D: 15

Option E: None
Option C

Question: Find the value of y from (12)^3 x 6^4 432 = y?

Option A: 3451

Option B: 3467

Option C: 3891

Option D: 4601

Option E: 5184
Option E

Question: A fruit salad mixture consists of apples, peaches, and grapes. There are 2 times as many pounds of apples as grapes and 3 times as many pounds of peaches as grapes. If a mixture that has an average (arithmetic mean) of 9 pounds per fruit, how many more pounds of apples than grapes does the mixture have?

Option A: 15

Option B: 12

Option C: 9

Option D: 6

Option E: 3
Option E