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.
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Question: Question: The average weight of 10 person's increases by 4 kg when a new person comes in place of one of them weighing 70kg. What is the weight of the new person?

 Option A: 85

 Option B: 86.5

 Option C: 90

 Option D: 88.5

 Option E: 110

Answer: Option E


Question: Question: The radius of a semi circle is 6.3 cm then its perimeter is?

 Option A: 32.9

 Option B: 32.4

 Option C: 32.2

 Option D: 32.1

 Option E: 32.7

Answer: Option B


Question: Question: the average of four consecutive even numbers is 27. find the largest of thesenumbers?

 Option A: 24

 Option B: 26

 Option C: 28

 Option D: 30

 Option E: 32

Answer:
Option D