ajay scored 75%in an exam.if his score was 180, find the maximum marks of the exam.

Suppose his total marks of the exam is x.
So, 75% of x = x×75100
Ajay scored 75% of x  and his score was 180. So we have;
x×75100 = 180x = 180×10075 = 240
Therefore the maximum marks of the exam was 240.

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simple,let total marks be x

=x-75x100=180

=x4=180

=x=4*180

=x=720

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/

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x- 75x/100

x/4
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