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: Rahim bought 4 pillows with the average cost of $5. If Rahim also buys the fifth pillow with the price of $ 10, what is the average (arithmetic mean) price of those 5 pillows?

 Option A: $6

 Option B: $5

 Option C: $5.5

 Option D: $6.5

 Option E: $7
Option A

Question: What sum of money will produce Rs.70 as simple interest in 4 years at 3 1/2 percent?

 Option A: 266

 Option B: 500

 Option C: 287

 Option D: 26

 Option E: 281
Option B

Question: A six-sided die is rolled once. What is the probability that the number rolled is an odd number greater than 4?

 Option A: 2 / 3

 Option B: 1 / 6

 Option C: 3 / 3

 Option D: 4 / 5

 Option E: 2 / 4

Option B