Aspire Faculty ID #11991 · Topic: NIMCET 2025 · Just now
NIMCET 2025

There are 40 female and 20 male students in a class. If the average heights of female and male students are 5.15 feet and 5.66 feet, respectively, then the average height (in feet) of all the students in the class equals

Solution

Given: Females = 40 (avg = 5.15 ft), Males = 20 (avg = 5.66 ft). Total students = 60.

Weighted average height = $$\frac{40\times 5.15 + 20\times 5.66}{40+20}$$

Compute: $$\frac{206 + 113.2}{60}=\frac{319.2}{60}=5.32$$

Answer: 5.32 feet

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