If the mean of first n natural numbers is 15, then find n.... | VSA 1m | Maths | SuperPadhai

Statistics > Question

VSA1 markYear: 2020EasyCBSE Class 10

statisticsmeannatural-numbers

Question

If the mean of first

n

natural numbers is

15

, then find

n

.

Solution

1

Mean of first

n

natural numbers

= \frac{n ( n + 1 )}{2 n} = \frac{n + 1}{2} = 15

∴ n = 29

+1 mark

Practice this question interactively with step-by-step AI feedback

Sign up for SuperPadhai