Question

(2) 72% of 25 students are good in mathematics. How many students are not good in it ?​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Total number of students=25

Students good in mathematics=72%

students,who are not good in mathematics=(100-72)%

=28%

Now, number of students who are not good in mathematics=

=28% of 25

=28/100×25

=7

Hence,7 students are not good in mathematics.