What is the average of first 70 odd numbers?Options :73727170
Question
What is the average of first 70 odd numbers?Options :73727170
Solution 1
The average of first N odd numbers is N itself. This is because the sum of first N odd numbers is N^2, and the average is (N^2)/N = N. So, the average of first 70 odd numbers is 70.
Solution 2
The average of first N odd numbers is N. So, the average of first 70 odd numbers is 70. Therefore, the correct option is 70.
Solution 3
The average of first N odd numbers is N. This is because the sum of first N odd numbers is N^2, and the average is (N^2)/N = N. So, the average of first 70 odd numbers is 70. Therefore, the correct option is 70.
Solution 4
The average of the first 'n' odd numbers is always 'n'. This is because the sum of the first 'n' odd numbers is 'n^2', and the average is the sum divided by the count, which is 'n^2/n = n'.
So, the average of the first 70 odd numbers is 70. Therefore, the correct option is 70.
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