TASK DEFINITION: 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: Problem: if the sum of 5 consecutive even positive integers is a, then the sum of the next 5 even consecutive integers in terms of a is :
Options: a. a + 5, b. a + 10, c. a + 25, d. a + 50, e. 2 a + 5

SOLUTION: d

PROBLEM: Problem: a bag contains 10 green and 8 white balls. if two balls are drawn simultaneously, the probability that both are of the same colour is
Options: a. 8 / 15, b. 21 / 44, c. 3 / 5, d. 11 / 15, e. 7 / 15

SOLUTION: b

PROBLEM: Problem: there are 2 sections a and b in a class, consisting of 36 and 44 students respectively. if the average weight of section a is 40 kg and that of section b is 35 kg, find the average of the whole class ?
Options: a. 35.29 kg, b. 37.25 kg, c. 42.45 kg, d. 55.12 kg, e. 29.78 kg

SOLUTION:
b