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.
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Question: Question: A car going at 40 miles per hour set out on an 90-mile trip at 9:00 A.M. Exactly 10 minutes later, a second car left from the same place and followed the same route. How fast, in miles per hour, was the second car going if it caught up with the first car at 10:30 A.M.?

Option A: 45

Option B: 50

Option C: 53

Option D: 55

Option E: 90

Answer: Option E

Question: Question: A women purchased 3 towels @ Rs.100 each, 5 towels @ Rs.150 each and two towels at a certain rate which is now slipped off from his memory. But she remembers that the average price of the towels was Rs.145. Find the unknown rate of two towels?

Option A: A

Option B: B

Option C: C

Option D: D

Option E: E

Answer: Option A

Question: Question: A team has to design a flag. The team has two yellow strips of cloth and five green strips of cloth that they must use as is to make the flag. How many different flags can the team design with the materials at hand?

Option A: 21

Option B: 121

Option C: 240

Option D: 720

Option E: 1040

Answer:
Option A