Teacher:Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.
Teacher: Now, understand the problem? Solve this instance: Problem: there are 20 cm, 21 cm, 22 cm, 23 cm, 24 cm, 25 cm rods of quantities 23, 64, 32 respectively. find average of this data.
Options: a. 32.25, b. 21.45, c. 45, d. 22.45, e. 22
Student:
d