The average weight of 10 persons increases by 7.2 kg when a new person comes in place of one of them...

The average weight of 10 persons increases by 7.2 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?

Quiz

Answer/Solution

137 kg

Steps/Work

Solution
Total weight increased = (10 x 7.2)kg
= 72 kg.
Weight of new person = (65 + 72)kg
= 137 kg.
Answer C

General Calculator / Auto Solver

The average weight of persons increases by kg when a new person comes in place of one of them weighing kg. What might be the weight of the new person?

Calculated Answer

137

Step by Step Solution

In order to solve problem, you must evaluate n2 + n0 * n1.

n0 =10
n1 =7.2
n2 =65