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: P can do a work in 24 days. Q can do the samework in 9 days & R can do the same work in 12 days. Q & R start the work and leave after 3 days. P finishes the remaining work in how many days.

 Option A: 8

 Option B: 10

 Option C: 14

 Option D: 16

 Option E: 19
Option B

Question: If p and q are positive integers each greater than 1, and 17(p+1)=20(q+1), what is the least possible value of p+q?

 Option A: 35

 Option B: 42

 Option C: 44

 Option D: 46

 Option E: none
Option A

Question: If s,u, and v are positive integers and 2s=2u+2v, which of the following must be true?
i. s=u
ii. u is not equal to v
iii. s > v

 Option A: None

 Option B: I only

 Option C: II only

 Option D: III only

 Option E: II and III

Option D