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: The product of the prime integers between 23 and 35, inclusive, is:

Option A: 50! 40!

Option B: 99,029

Option C: 2,303

Option D: 22,011

Option E: 2,000
[A]: Option D

[Q]: Question: A cow and horse are bought for Rs.2,00,000. The cow is sold at a profit of 20% and the horse is sold a t a loss of 10%. The overall gain is Rs.4000, the Cost price of cow?

Option A: 2 percent

Option B: 3

Option C: 4

Option D: 5

Option E: 6
[A]: Option A

[Q]: Question: A boat travels 72 km downstream in 8 hours and 84 km upstream in 12 hours. Find the speed of the boat in still water and the speed of the water current ?

Option A: 6 and 1 kmph

Option B: 8 and 2 kmph

Option C: 8 and 1 kmph

Option D: 9 and 1 kmph

Option E: 2 and 1 kmph
[A]:
Option C