TASK DEFINITION: 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.
PROBLEM: Question: The sum of the digits of a two-digit number is 15 and the difference between the digits is 3. What is the two-digit number?

Option A: 69

Option B: 78

Option C: 96

Option D: Cannot be determined

Option E: None of these

SOLUTION: Option D

PROBLEM: Question: 5, 10, 13, 26, 29, 58, 61, (....)

Option A: 122

Option B: 125

Option C: 128

Option D: 64

Option E: 130

SOLUTION: Option A

PROBLEM: Question: Two trains of equal length, running with the speeds of 60 and 40 kmph, take 36 seconds to cross each other while they are running in the same direction. What time will they take to cross each other if they are running in opposite directions?

Option A: 10 sec

Option B: 16 sec

Option C: 19 sec

Option D: 7.2 sec

Option E: 13 sec

SOLUTION:
Option D