The average weight of 4 person's increases by 8.5 kg when a new person comes in place of one of them weighing 95 kg. What might be the weight of the new person?  Pick:
A) 129 kg B) 134 kg C) 180 kg D) 185 kg E) 190 kg
Total weight increased = (4 x 8.5) kg = 34 kg.   Weight of new person = (95 + 34)= 
<gadget id="calculator">(95 + 34)</gadget>
<output>129</output>
129 kg   Option 129 kg
<result>A</result>
The average weight of 4 person's increases by 8.5 kg when a new person comes in place of one of them weighing 95 kg. What might be the weight of the new person?