# 72% of 25 Students Are Good in Mathematics. How Many Are Not Good in Mathematics? - Mathematics

72% of 25 students are good in mathematics. How many are not good in mathematics?

#### Solution

It is given that 72% of 25 students are good in mathematics.

Therefore,

Percentage of students who are not good in mathematics = (100 − 72)%

= 28%

∴Number of students who are not good in mathematics =  28/100 xx 25

= 7

Thus, 7 students are not good in mathematics.

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#### APPEARS IN

NCERT Class 8 Maths Textbook
Chapter 8 Comparing Quantities
Exercise 8.1 | Q 3 | Page 119