instruction:
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:
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
answer:
Option B

question:
Question: A man's speed with the current is 20 kmph and speed of the current is 3 kmph. The Man's speed against the current will be

Option A: 11 kmph

Option B: 12 kmph

Option C: 14 kmph

Option D: 17 kmph

Option E: None of these
answer:
Option C

question:
Question: Sum of the squares of three numbers is 363 and the sum of their products taken two at a time is 131. Find the sum?

Option A: 20

Option B: 22

Option C: 25

Option D: 27

Option E: 29
answer:
Option C