he average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 70 kg. What might be the weight of the new person ? Choices:
A) 90 kg
B) 55 kg
C) 45 kg
D) 85 kg
E) 25 kg
Explanation:   Total weight increased = (8 x 2.5) kg = 20 kg.   Weight of new person = (70 + 20)= 
<gadget id="calculator">(70 + 20)</gadget>
<output>90</output>
90 kg.   90 kgnswer: 90 kg
<result>A</result>
he average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 70 kg. What might be the weight of the new person ?