
CBSE Class 10 Sample Paper for 2026 Boards - Maths Basic
CBSE Class 10 Sample Paper for 2026 Boards - Maths Basic
Last updated at Sept. 10, 2025 by Teachoo
Transcript
Question 27 (B) If the mean of the following distribution is 54, find the value of p.Now, finding mean Now, Mean(𝑥 ̅) = (∑▒𝒇𝒊𝒙𝒊)/(∑▒𝒇𝒊) Putting values in formula 54 = (𝟐𝟑𝟕𝟎 + 𝟑𝟎𝒑)/(𝟑𝟗 + 𝒑) 54(39 + p) = 2370 + 30p 54 × 39 + 54p = 2370 + 30p 2106 + 54p = 2370 + 30p 54p – 30p = 2370 – 2106 24p = 264 p = 264/24 p = 11