instruction:
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:
Question: Find the average of all prime numbers between 4 and 15.

 Option A: 30

 Option B: 4

 Option C: 9

 Option D: 8

 Option E: None
answer:
Option C


question:
Question: How many zeroes are there at the end of the number N, if N = 150! + 300! ?

 Option A: 28

 Option B: 31

 Option C: 34

 Option D: 37

 Option E: 40
answer:
Option D


question:
Question: The probability that A speaks truth is 7/9 and that of B speaking truth is 9/13. What is the probability that they agree in stating the same fact?

 Option A: 18/35

 Option B: 111/117

 Option C: 157/195

 Option D: 192/235

 Option E: None of these
answer:

Option B