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 man’s speed with the current is 18 km/hr and the speed of the current is 2.5 km/hr. the man’s speed against the current is :

 Option A: 8.5 km/hr

 Option B: 9.5 km/hr

 Option C: 13 km/hr

 Option D: 12.5 km/hr

 Option E: None of these
answer:
Option C


question:
Question: A sum of Rs.96000 is divided into three parts such that the simple interests accrued on them for Eight, two and four years respectively may be equal. Find the amount deposited for 8 years.

 Option A: 14000

 Option B: 16000

 Option C: 12000

 Option D: 20000

 Option E: 13000
answer:
Option C


question:
Question: Percentage of profit earned by selling a book for $1680 is equal to the percentage loss incurred by selling the same book for $1120. What price should the book be sold to make 25% profit?

 Option A: $1250

 Option B: $1050

 Option C: $1550

 Option D: $1750

 Option E: $2050
answer:

Option E