Question

The average age of 35 students in the class is 16 years. The average age of 21 students is 14. what will be the average of remaining numbers​

Answer 1

Given :

• The average age of 35 students is 16 years
• The average age of 21 students is 14 years.

To Find :

• The average age of remaining students

Solution :

The average age of 35 students is 16 years.

The total age of 35 students is = 35 × 16 = 560

The average age of 21 students is 14 years.

The total age of 21 students is = 21 × 14 = 294

Then, age of remaining 14 student is

= 560 - 294

= 266

The average age of remaining students is

= 266 / 14

= 19 years

•°• The average age of remaining students is 19 years.

Answer 2

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