instruction:
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.
question:
Problem: he average of 10 numbers is 23. if each number is increased by 4, what will the new average be ?
Options: a. 26, b. 27, c. 88, d. 99, e. 12
answer:
b


question:
Problem: two guys a and b leave point a and point b simultaneously and travel towards point b and point a on the same route at their respective constant speeds. they meet along the route and immediately proceed to their respective destinations in 32 minutes and 50 minutes respectively. how long will b take to cover the entire journey between point b and point a ?
Options: a. 65, b. 90, c. 70, d. 75, e. 80
answer:
b


question:
Problem: a cyclist covers a distance of 750 m in 2 min 30 sec. what is the speed in km / hr of the cyclist ?
Options: a. 9 km / hr, b. 7 km / hr, c. 12 km / hr, d. 15 km / hr, e. 18 km / hr
answer:

e