Question

72% of 25 students are good in maths . how many are not good in maths.☺

Answer 1

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Answer 2

Answer :

The number of students not good in mathematics is 7.

Step-by-step explanation :

Percentage of students good in maths = 72 %

Percentage of students not good in maths = (100 - 72) = 28 %

Total number of students = 25

No of students not good in maths = 28 % of 25

⇒ 28 / 100 * 25

⇒ 28 / 4

⇒ 7

Hence, 7 students are not good in mathematics.