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.

[Q]: 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
[A]: Option B

[Q]: Question: The difference of two numbers is 1415. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number ?

Option A: A

Option B: B

Option C: C

Option D: D

Option E: E
[A]: Option B

[Q]: Question: There are 9 executives, including the CEO and CFO, that are asked to form a small team of 5 members. However, the CEO and CFO may not both be assigned to the team. Given this constraint, how many ways are there to form the team?

Option A: 85

Option B: 87

Option C: 89

Option D: 91

Option E: 93
[A]:
Option D