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: A father was as old as his son's present at the time of your birth. If the father's age is 44 years now, the son's age 5years back was?

Option A: 10 years

Option B: 12 years

Option C: 14 years

Option D: 16 years

Option E: 17 years
answer:
Option E

question:
Question: 3 buffaloes eat as much as 4 cows or 2 oxen. At a farm there are 15 buffaloes, 8 oxen and 24 cows. The fodder for these cattle is available for 24days. If 8 more cows & 9 more buffaloes are brought in, how long will the fodder last?

Option A: 8

Option B: 10

Option C: 12

Option D: 18

Option E: 20
answer:
Option D

question:
Question: If x is 30 percent more than y and y is 50 percent less than z, then x is what percent of z?

Option A: 500%

Option B: 250%

Option C: 65%

Option D: 125%

Option E: 60%
answer:
Option C