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: The compound ratio of 1:3, 3:2 and 4:5?

 Option A: 1:9

 Option B: 1:7

 Option C: 1:2

 Option D: 2:5

 Option E: 1:4
answer:
Option D


question:
Question: If 3^x*4^y = 1,594,323 and x – y = 13, then x = ?

 Option A: 10

 Option B: 11

 Option C: 12

 Option D: 13

 Option E: 14
answer:
Option D


question:
Question: The length of an edge of a hollow cube open at one face is √3 metres. What is the length of the largest pole that it can accommodate?

 Option A: 2 metres

 Option B: 3 metres

 Option C: 4 metres

 Option D: 3√3metres

 Option E: None
answer:

Option B