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.

[EX Q]: Question: From a Group of 10 People, Including George and Nina, 3 people are to be selected at random to work on a certain project. What is the probability that 3 people selected will include George but not Nina

 Option A: 5/56

 Option B: 9/56

 Option C: 28/120

 Option D: 21/56

 Option E: 25/56
[EX A]: Option C

[EX Q]: Question: Triangle STV has sides ST = TV = 26, and SV = 20. What is the area?

 Option A: 160

 Option B: 180

 Option C: 200

 Option D: 220

 Option E: 240
[EX A]: Option E

[EX Q]: Question: P and Q start a business with Rs.7000 and Rs.28000 respectively. Hoe should they share their profits at the end of one year?

 Option A: 1:3

 Option B: 1:4

 Option C: 1:5

 Option D: 1:6

 Option E: 4:1
[EX A]:
Option B