The average weight of 8 persons increases by 5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person? Choices.
A) 100 kg	B) 80 kg	C) 105 kg	D) 90 kg	E) None
Solution   Total weight increased	= (8 x 5)kg   = 40 kg.   Weight of new person	= (65 + 40)= 
<gadget id="calculator">(65 + 40)</gadget>
<output>105</output>
105 kg.   Answer 105 kg
<result>C</result>
The average weight of 8 persons increases by 5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?