The average weight of 8 person's increases by 2 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?  Choose the correct choice from the following answers:
A) 70 kg  B) 80 kg  C) 81 kg  D) 90 kg  E) 91 kg
Total weight increased = (8 x 2) kg = 16 kg.   Weight of new person = (65 + 16)= 
<gadget id="calculator">(65 + 16)</gadget>
<output>81</output>
81 kg.   81 kg)
<result>C</result>
The average weight of 8 person's increases by 2 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?