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: Find the least number by which (59)(36)(17) has to be multiplied to obtain a perfect square?

 Option A: 5

 Option B: 17

 Option C: 85

 Option D: 221

 Option E: 223
Option C

Question: The captain of a cricket team of 11 members is 26 years old and the wicket keeper is 11 years older. If the ages of these two are excluded, the average age of the remaining players is one year less than the average age of the whole team. What is the average age of the team?

 Option A: 23 years

 Option B: 24 years

 Option C: 25 years

 Option D: 26 years

 Option E: 27 years
Option E

Question: The speed of a boat in upstream is 40 kmph and the speed of the boat downstream is 70 kmph. Find the speed of the boat in still water and the speed of the stream?

 Option A: 70,10 kmph

 Option B: 55,15 kmph

 Option C: 70,70 kmph

 Option D: 78,10 kmph

 Option E: 70,12 kmph

Option B