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: In what time will a train 200 m long cross an electric pole, it its speed be 144 km/hr?

 Option A: 2.5 sec

 Option B: 2.9 sec

 Option C: 3.5 sec

 Option D: 7.5 sec

 Option E: 5 sec
Option E

Question: If the average (arithmetic mean) of 18 consecutive odd integers is 414, then the least of these integers is

 Option A: a

 Option B: b

 Option C: c

 Option D: d

 Option E: e
Option A

Question: There are 200 female managers in a certain company. Find the total number T of female employees in the company, if 2/5 of all the employees are managers and 2/5 of all male employees are managers.

 Option A: 300

 Option B: T=400

 Option C: T=500

 Option D: 600

 Option E: None of these

Option C