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.

[EX Q]: Question: The value of 3Z + Z(ZZ)(ZZ) when Z = 5 is:

Option A: 3150

Option B: 3200

Option C: 3140

Option D: 3650

Option E: 3104
[EX A]: Option C

[EX Q]: Question: A confectioner decides to sell all of his pastry due to the coming holiday. His pastry goods are equally divided among a group of 25 regular customers. If only 49 customers come to the bakery, each one will receive 6 less pastry goods. How much pastry does the confectioner needs to sell?

Option A: 300.

Option B: 412.

Option C: 432.

Option D: 502.

Option E: 522.
[EX A]: Option A

[EX Q]: Question: The average of a couple was 20Yrs when they were married 8Yrs ago.The avg age of
the couple and a child, who was born during the interval, is 21Yrs now. How old is the
child now ?

Option A: 2 Yrs

Option B: 4 Yrs

Option C: 3 Yrs

Option D: 1 Yrs

Option E: None of these
[EX A]:
Option A