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

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

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

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

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

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

72% of 25 students are good in Hindi, how many are not good in Hindi?

75% of 20 students are not good at English. How many are good in English ?

72% of 25 students got good marks in Mathematics, then how many people did not score good marks?

In a class, 54 students are good in Hindi only, 63 students are good in Mathematics only and 41 students are good in English only. There are 18 students who are good in both Hindi and Mathematics. 10 students are good in all three subjects. What is the number of students who are good in either Hindi or Mathematics but not in English?