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 boat takes 19 hours for travelling downstream from point A to point B and coming back to a point C midway between A and B. If the velocity of the stream is 4 kmph and the speed of the boat in still water is 14 kmph, what is the distance between A and B ?

 Option A: 160 km

 Option B: 180 km

 Option C: 200 km

 Option D: 220 km

 Option E: None
[EX A]: Option B

[EX Q]: Question: John has only pennies, dimes, and nickels in a jar. The jar has at least 1 but no more than 4 pennies. If the jar has at least 1 nickel and 1 dime, which of the following could NOT be the total amount of money in the jar?

 Option A: 54

 Option B: 55

 Option C: 56

 Option D: 57

 Option E: 58
[EX A]: Option B

[EX Q]: Question: A and B invests Rs.10000 each, A investing for 8 months and B investing for all the 12 months in the year. If the total profit at the end of the year is Rs.25000, find their shares?

 Option A: Rs.10000, Rs.15029

 Option B: Rs.10000, Rs.15209

 Option C: Rs.10000, Rs.15129

 Option D: Rs.10000, Rs.15000

 Option E: Rs.10000, Rs.35000
[EX A]:
Option D