The average weight of 8 people increases by 2.5 kg when a new person comes in place of one of them weighing 75 kg. What is the weight of the new person?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 95 kg
Trick : Weight of new person = Weight of replaced person + (Total persons × increase in average)
Weight of new person = 75 + (8 × 2.5)
Weight of new person = 75 + 20 = 95 kg.