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: On an order of 5 dozen boxes of a consumer product, a retailer receives an extra dozen free. This is equivalent to allowing him a discount of:

 Option A: 15%

 Option B: 16 1/6%

 Option C: 16 2/3%

 Option D: 20%

 Option E: 30%
Option C

Question: For an agricultural experiment, 300 seeds were planted in one plot and 200 were planted in a second plot. If exactly 25 percent of the seeds in the first plot germinated and exactly 35 percent of the seeds in the second plot germinated, what percent of the total number of seeds germinated?

 Option A: 12%

 Option B: 26%

 Option C: 29%

 Option D: 30%

 Option E: 60%
Option C

Question: Product of two natural numbers is 11. Then, the sum of reciprocals of their squares is

 Option A: 290/289

 Option B: 122/121

 Option C: 290/90

 Option D: 290/19

 Option E: None of these

Option B