Given a math problem with context and a question and 5 answer choices, the task is to provide the correct answer choice based on the problem. You must choose one of the given answer choices by letter: a, b, c, d, or e; anything else is invalid.

[Q]: Problem: the length of a rectangular floor is more than its breadth by 100 %. if rs. 600 is required to paint the floor at the rate of rs. 3 per sq m, then what would be the length of the floor ?
Options: a. 15.0 m., b. 14.4 m., c. 12.0 m., d. 16.2 m., e. 16.5 m.
[A]: b


[Q]: Problem: a monkey ascends a greased pole 10 meters high. he ascends 2 meters in the first minute and then slips down 1 meter in the alternate minute. if this pattern continues until he climbs the pole, in how many minutes would he reach at the top of the pole ?
Options: a. 10 th minute, b. 21 st minute, c. 17 th minute, d. 22 nd minute, e. 13 th minute
[A]: c


[Q]: Problem: a bookseller has two display windows. she plans to display 3 new fiction books in the left window, and 3 new non - fiction books in the right window. assuming she can put the 4 fiction books in any order, and separately, the 3 non - fiction books in any order, how many total configurations will there be for the two display windows ?
Options: a. 24, b. 72, c. 144, d. 36, e. 420
[A]:
d