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: a light flashes every 30 seconds, how many times will it flash in ? of an hour?

Option A: 550

Option B: 600

Option C: 650

Option D: 700

Option E: 120
[EX A]: Option E

[EX Q]: Question: A wooden box of dimensions 8 m x 7 m x 6 m is to carry rectangularboxes of dimensions 4 cm x 7 cm x 6 cm. The maximum number ofboxes that can be carried in the wooden box, is

Option A: 9800000

Option B: 1000000

Option C: 7500000

Option D: 2000000

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

[EX Q]: Question: The function f is defined by subtracting 25 from the square of a number and the function s is defined as the square root of one-half of a number. If s(f(x))=10, then which of the following is a possible value of x?

Option A: -15

Option B: -5

Option C: 0

Option D: 5

Option E: 25
[EX A]:
Option A