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.

[Q]: Question: In the class of 100 students, 50 speak Hindi and 70 speak English. What is the lowest possible number of students who
speak both the languages?

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: E
[A]: Option C


[Q]: Question: if (HE)^H=SHE,where the alphabets takes the values from (0-9) & all the alphabets are single digit then find the value of (S+H+E)

 Option A: 10

 Option B: 13

 Option C: 5

 Option D: 19

 Option E: data in sufficient
[A]: Option B


[Q]: Question: A man in a train notices that he can count 41 telephone posts in one minute. If they are known to be 50 metres apart, then at what speed is the train travelling?

 Option A: 620 km/hr

 Option B: 220 km/hr

 Option C: 220 km/hr

 Option D: 120 km/hr

 Option E: 203 km/hr
[A]:
Option D