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.

[Q]: Question: A bus takes 3 hours to cover a distance of 500 Km. how much should the speed in Kmph be maintained to cover the same direction in 5/3th of the previous time?

Option A: 75 Kmph

Option B: 100 Kmph

Option C: 90 Kmph

Option D: 65 Kmph

Option E: 70 Kmph
[A]: Option B

[Q]: Question: A father was as old as his son's present at the time of your birth. If the father's age is 44 years now, the son's age 5years back was?

Option A: 10 years

Option B: 12 years

Option C: 14 years

Option D: 16 years

Option E: 17 years
[A]: Option E

[Q]: Question: A, B and C are partners. A receives 2/3 of profits, B and C dividing the remainder equally. A's income is increased by Rs.200 when the rate to profit rises from 5 to 7 percent. Find the Capital of B?

Option A: 2655

Option B: 3527

Option C: 2500

Option D: 2567

Option E: 2571
[A]:
Option C