9
If the mean of the first $n$ natural numbers is $\frac{5n}{9}$, then the value of $n$ is :
- (a)$5$
- (b)$9$
- (c)$4$
- (d)$10$
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(C) $9$
If the mean of the first n natural numbers is 5n/9 , then the value of n is :
CBSE Class 10 Maths PYQ · Statistics · Mean of Ungrouped Data · 1 Mark · March 2024 · Standard
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