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.

[EX Q]: Question: Lagaan is levied on the 60 percent of the cultivated land. The revenue department collected total Rs. 3,44,000 through the lagaan from the village of Mutter. Mutter, a very rich farmer , paid only Rs.480 as lagaan. The percentage of total land of Mutter over the total taxable land of the village is:

 Option A: 0.23255

 Option B: 0.14544

 Option C: 0.25632

 Option D: 0.35466

 Option E: 0.63435
[EX A]: Option A

[EX Q]: Question: The average of first seven prime numbers which are between 30 and 70 is

 Option A: 35.4

 Option B: 42

 Option C: 44.4

 Option D: 57

 Option E: 67
[EX A]: Option C

[EX Q]: Question: In a family 13 people eat only vegetarian, 7 people eat only non veg., 8 people eat both veg and non veg.. How many people eat veg in the family?

 Option A: 20

 Option B: 11

 Option C: 9

 Option D: 31

 Option E: 21
[EX A]:
Option E