What is the average of all the one digit, two digit and three digit natural numbers
What is the average of all the one digit, two digit and three digit natural numbers

What is the average of all the one digit, two digit and three digit natural numbers?

(a)          300

(b)          500

(c)           1000

(d)          1250

Sol:

Sum of all one digit, two digit & three digit natural numbers.

1 + 2 + 3 + ………………+999.
quantitative aptitude
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