Question

1/4of the students in karthiks class wear glasses what is the percentage of the students who wear glasses and who do not wear glasses

Answer 1

$\large\underline\bold{Given:\longrightarrow}$

1 / 4 th of total students wear glasses

$\large\underline\bold{To~Find:\longrightarrow}$

Percentage of students who wear glasses and who do not wear glasses

$\large\underline\bold{Solution:\longrightarrow}$

We will assume the total number of students be x.

Hence,

The number of students wearing glasses = 1 / 4 * x = x / 4

Hence,

Percentage of students who wear glasses = ( Students wearing glasses / Total number of Students ) * 100
Percentage of students who wear glasses = { ( x / 4 ) / x } * 100 = 1 / 4 * 100 = 25 %

Now simply,

Percentage of students who do not wear glasses = ( 100 - 25 ) % = 75 %

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Answer 2

Here is your solution

Given :-

1/4 of the students in karthiks class wear glasses.

we have to find percentage of the students who wear glasses and who do not wear glasses.

now

Let ,

Total number of student be x

So,Number of student 1/4 × X = X/4

% of student wear glass = ?

=>X/4 / X ×100

=>1/4×100=25%

25% students wear glasses

Hence

% of student who not wear glasses = 100-25=75%

Hope it helps you