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 and B together can do a work in 3 days. If A alone can do it in 12 days. In how many days can B alone do it?

 Option A: 4

 Option B: 6

 Option C: 8

 Option D: 10

 Option E: 25
answer:
Option A


question:
Question: Which of the following is greatest?

 Option A: 1/10

 Option B: 1/100

 Option C: 1/1000

 Option D: 1/10^9

 Option E: 1/5
answer:
Option E


question:
Question: The length of rectangle is thrice its breadth and its perimeter is 104 m, find the area of the rectangle?

 Option A: 507 sq m

 Option B: 356 sq m

 Option C: 452 sq m

 Option D: 428 sq m

 Option E: 525 sq m
answer:

Option A