NIMCET 2025 — Mathematics PYQ

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Question

NIMCET 2025 — Mathematics PYQ

NIMCET | Mathematics | 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:

Choose the correct answer:

Explanation

Step 1: Identify the given values

Number of females $(n_1) = 40$
Average height of females $(A_1) = 5.15$ feet
Number of males $(n_2) = 20$
Average height of males $(A_2) = 5.66$ feet

Step 2: Calculate the total height of all students

Total height of females $= 40 \times 5.15 = 206$ feet
Total height of males $= 20 = 5.66 = 113.2$ feet
Combined total height $= 206 + 113.2 = 319.2$ feet

Step 3: Calculate the total number of students

Total students $= 40 + 20 = 60$

Step 4: Calculate the combined average

\text{Average} = \frac{319.2}{60}

\text{Average} = 5.32 \text{ feet}

Final Answer:

The average height of all students is 5.32. The correct option is (A).

Choose the correct answer:

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