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: In a T.V. factory, an average of 61TVs are produced per day for the fist 25days of the months. A few workers fellill for the next five daysreducing the daily avg for the month to58 sets/day . The average production per day for day last 5days is ?

 Option A: 35

 Option B: 39

 Option C: 48

 Option D: 50

 Option E: 43
[EX A]: Option E

[EX Q]: Question: Look at this series: 375000,75000,25000, ... What number should come next?

 Option A: 17

 Option B: 10

 Option C: 15

 Option D: 5000

 Option E: 8
[EX A]:
Option D