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: A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:

Option A: 2 km/hr

Option B: 1 km/hr

Option C: 4 km/hr

Option D: 6 km/hr

Option E: 5 km/hr
Option B

Question: Jamboree and GMAT Club Contest Starts
QUESTION #10:
How many words (with or without meaning)F can be formed using all the letters of the word "SELFIE" so that the two E's are not together?

Option A: 660

Option B: 600

Option C: 500

Option D: 300

Option E: 240
Option E

Question: Aaron had $ 2100 left after spending 30 % of the money he took for shopping. How much money did he take along with him?

Option A: $3039

Option B: $3003

Option C: $3002

Option D: $3000

Option E: $3004
Option D