The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person? Choose one:  A) 80 kg  B) 85 kg  C) 95 kg  D) 100 kg  E) 105 kg
Total weight increased = (8 x 2.5) kg = 20 kg.   Weight of new person = (65 + 20)= 
<gadget id="calculator">(65 + 20)</gadget>
<output>85</output>
85 kg.   85 kg)
<result>B</result>
The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?