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: What is the rate percent when the simple interest on Rs.800 amount to Rs.160 in 4 Years?

 Option A: 5%

 Option B: 6%

 Option C: 2%

 Option D: 95%

 Option E: 1%
answer:
Option A


question:
Question: A shopkeeper sold an book offering a discount of 5% and earned a profit of 30%. What would have been the percentage of profit earned if no discount was offered?

 Option A: 140

 Option B: 120

 Option C: 130

 Option D: 136.8

 Option E: 150
answer:
Option D


question:
Question: At what time, in minutes, between 3 o'clock and 4 o'clock, both the needles will coincide each other?

 Option A: 51/11

 Option B: 12 4/11

 Option C: 13 4/11

 Option D: 16 4/11

 Option E: None
answer:

Option D