Question

There are N students in a class. Their class teacher

gave them a task of finding the average of the

first N natural numbers and each of them left out a

different number and found the average of the

remaining numbers. The average of the averages

obtained by all the students was 21. Find N​

Answer 1

Answer:

21n hope it will help you

Step-by-step explanation:

(21+n)= 21n