If 15 out of 20 students passes in a test, the percentage of students passing the exam is %

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Solution

The correct option is C 75
You know,
Percent is expressed per 100.
$x %$ means $x$ parts per 100 parts

Passed Total number of students

15 20

? 1

You can find value by:
= $\frac{15 \times 1}{20} = \frac{15}{20} = 0.75$

This denotes 0.75 parts per 1 part(unit rate)
Multiplying unit rate by 100 you get,
$0.75 \times 100 = 75$ parts per 100 part.

∴ Percentage of students who passed the exam is $75 %$ .

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