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: A company consists of 5 senior and 3 junior staff officers. If a committee is created with 3 senior and 1 junior staff officers, in how many ways can the committee be formed?

 Option A: 12

 Option B: 30

 Option C: 45

 Option D: 80

 Option E: 200
answer:
Option B


question:
Question: When the no.7y86038 is exactly divisible by 11, then the smallest whole no.in place of y?

 Option A: 3

 Option B: 4

 Option C: 6

 Option D: 7

 Option E: 9
answer:
Option A


question:
Question: (0.15)(power 3) - (0.06)(power 3)/ (0.15)(power 2) + 0.009 + (0.06)(power 2) is:

 Option A: 0.09

 Option B: 0.08

 Option C: 0.1

 Option D: 0.07

 Option E: None of them
answer:

Option A