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 cost price of a radio is Rs.1500 and it was sold for Rs.1230, find the loss %?

 Option A: 18%

 Option B: 19%

 Option C: 28%

 Option D: 38%

 Option E: 16%
answer:
Option A


question:
Question: If one-third of one-fourth of a number is 15, then three-tenth of that number is

 Option A: 35

 Option B: 36

 Option C: 45

 Option D: 54

 Option E: 57
answer:
Option D


question:
Question: A train travelled from station P to Q in 8 hours and came back from station Q to P is 6 hours. What would be the ratio of the speed of the train while traveling from station P to Q to that from station Q to P?

 Option A: 3 : 9

 Option B: 3 : 7

 Option C: 3 : 8

 Option D: 3 : 4

 Option E: 3 : 1
answer:

Option D