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.

Problem: how many prime numbers are between 76 / 8 and 124 / 5 ?
Options: a. 1, b. 2, c. 3, d. 4, e. 5
e

Problem: if the simple interest on a certain amount in at 4 % rate 5 years amounted to rs. 2240 less than the principal. what was the principal ?
Options: a. 1500, b. 2500, c. 2507, d. 2800, e. 11500
d

Problem: martha has the unique talent of being able to guess other people ’ s height and weight. for every 6 people that martha meets, she consistently guesses the people ’ s correct height 5 times, and for every 8 people that she meets, she consistently guesses the people ’ s correct weight 6 times. if martha meets 3 people and her success rate remains constant, what is the probability that martha correctly guesses a person ’ s weight and height at least once ?
Options: a. 8 / 27, b. 2 / 5, c. 485 / 512, d. 98 / 125, e. 625 / 952

c