10
If the mean of $2, 9, x+6, 2x+3, 5, 10, 5$ is $7$, then the value of $x$ is :
- (a)$9$
- (b)$6$
- (c)$5$
- (d)$3$
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Sol. (D) $3$
If the mean of 2, 9, x+6, 2x+3, 5, 10, 5 is 7 , then the value of x is :
CBSE Class 10 Maths PYQ · Statistics · Mean of Ungrouped Data · 1 Mark · March 2025 · Standard
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