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: If the perimeter of a rectangular garden is 600 m, its length when its breadth is 100 m is?

 Option A: 299 m

 Option B: 777 m

 Option C: 200 m

 Option D: 167 m

 Option E: 128 m
Option C

Question: Simran started a software business by investing Rs. 50,000. After six months, Nanda joined her with a capital of Rs. 80,000. After 3 years, they earned a profit of Rs. 24,500. What was Simran's share in the profit?

 Option A: 2777

 Option B: 2999

 Option C: 2799

 Option D: 2781

 Option E: 10500
Option E

Question: In how many different ways can 5 people be seated in a room with 7 chairs?

 Option A: 2,520

 Option B: 181,440

 Option C: 403,200

 Option D: 1,814,400

 Option E: 3,628,800

Option A