Question
What is the arithmetic mean of first 20 odd natural numbers ?
Answer: Option D
Answer: (d)Sum of first n odd natural numbers = $n^2 = (20)^2$ = 400Required average = $400/20$ = 20
Was this answer helpful ?
Answer: (d)Sum of first n odd natural numbers = $n^2 = (20)^2$ = 400Required average = $400/20$ = 20
Was this answer helpful ?
More Questions on This Topic :
Question 4. The sum of all the 3-digit numbers is....
Question 7. The sum of all the 2-digit numbers is :....
Latest Videos
Latest Test Papers
Submit Solution