Question

42. The average age of 50 persons is
60 years. When five persons are
included, then the average becomes
62 years. Find the average age of
new persons.​

Answer 1

Answer:

82 years

Step-by-step explanation:

The average age of 50 Persons are 60 Years

Therefore Total Age = 50 X 60 = 3,000

Average age of 55 Persons = 62 Years

Therefore Tota Age of 55 Persons - 55 x 62 = 3,410

There fore Total age of the 5 persons = 3,410 - 3,000

= 410 Years

Therefore average age of 5 new persons = 410/5

= 82 Years