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: The average age of 15 students of a class is 15 years. Out of these, the average age of 4 students is 14 years and that of the other 10 students is 16 years, The age of the 15th student is

 Option A: 11

 Option B: 12

 Option C: 9

 Option D: 14

 Option E: 15
answer:
Option C


question:
Question: What number times (1⁄5)^2 will give the value of 5^3?

 Option A: 5

 Option B: 25

 Option C: 125

 Option D: 625

 Option E: 3125
answer:
Option E


question:
Question: According to the directions on a can of frozen orange juice concentrate, 1 can of concentrate is to be mixed with 3 cans of water to make an orange juice. How many 12 ounce cans of concentrate are required to prepare 200 6-ounce servings of orange juice.

 Option A: 25

 Option B: 34

 Option C: 50

 Option D: 67

 Option E: 100
answer:

Option A