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.

Input: Consider Input: Question: The cross-section of a cannel is a trapezium in shape. If the cannel is 16 m wide at the top and 4 m wide at the bottom and the area of cross-section is 700 sq m, the depth of cannel is?

 Option A: 76

 Option B: 28

 Option C: 27

 Option D: 80

 Option E: 70

Output: Option E


Input: Consider Input: 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

Output: Option C


Input: Consider Input: Question: The sum of first five prime numbers is?

 Option A: 12

 Option B: 23

 Option C: 24

 Option D: 28

 Option E: 30


Output: Option D