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 train speeds past a pole in 15 sec and a platform 140 m long in 25 sec, its length is?

 Option A: 210

 Option B: 150

 Option C: 160

 Option D: 170

 Option E: 180
answer:
Option A


question:
Question: P and Q started a business investing Rs. 85,000 and Rs. 20,000 respectively. In what ratio the profit earned after 2 years be divided between P and Q respectively?

 Option A: 17:6

 Option B: 17:0

 Option C: 17:4

 Option D: 17:2

 Option E: 17:3
answer:
Option C


question:
Question: A man swims downstream 96 km and upstream 64 km taking 4 hours each time; what is the speed of the current?

 Option A: 6

 Option B: 4

 Option C: 2

 Option D: 8

 Option E: 5
answer:

Option B