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: If 12 men do a work in 80 days, in how many days will 16 men do it?

 Option A: 17 days

 Option B: 19 days

 Option C: 15 days

 Option D: 60 days

 Option E: 14 days
Option D

Question: You are renting an apartment and you need √676 for each side, how many feet are you looking to measure?

 Option A: 21

 Option B: 22

 Option C: 23

 Option D: 24

 Option E: 26
Option E

Question: Ramu bought an old car for Rs. 45000. He spent Rs. 13000 on repairs and sold it for Rs. 64900. What is his profit percent?

 Option A: A

 Option B: B

 Option C: C

 Option D: D

 Option E: of these

Option A