instruction:
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.
question:
Question: Plaudia can choose any two of four different candles and any 8 of 9 different flowers for a centerpiece arrangement. Given these choices, how many candle + flower groupings can she select?

Option A: 54

Option B: 72

Option C: 96

Option D: 144

Option E: 432
answer:
Option A

question:
Question: A contractor undertakes to built a walls in 50 days. He employs 60 peoples for the same. However after 25 days he finds that only 40% of the work is complete. How many more man need to be employed to complete the work in time?

Option A: 25

Option B: 90

Option C: 35

Option D: 20

Option E: None of these
answer:
Option B

question:
Question: A set of numbers has the property that for any number t in the set,t+3 is in the set. If -2 is in the set, which of the following must also be in the set? I. -3 II. 1 III. 4

Option A: I,III only

Option B: III only

Option C: II only

Option D: II,III only

Option E: I only
answer:
Option D