The average weight of 15 people increases by 3.2 kg when a new person comes in place of one of them, weighing 52 kg. The weight of the new person is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is Option 3 i.e. 100 kg.
Given that,
The average weight of 15 people increases by 3.2 kg
when a new person comes in place of one of them, weighing 52 kg
According to the question
The total increase = 3.2 × 15 = 48 kg
Hence, the weight of new person = 48 + 52 = 100 kg