Find the mode and median of a frequency distribution when Mean = 40, Variance = 625 and Pearsonian's Coefficient of Skewness (Sₖₚ) = -0.2

Find Pearson's Coefficient of Skewness (Sₖₚ) for a distribution when Mean = 160; Mode = 157 and Standard Deviation = 50.

Find μ₃ for a distribution when Pearsonian's Coefficient of Skewness (γ₁) = 1 and Standard Deviation = 4.

Question: Find Mode and Median when Karl Pearson's Coefficient of Skweness = -0.4, Mean = 50 and Variance = 400?