In a class of 60 students, 30 passed in Physics ,24 passed in Biology and 24 passed in both. Find the number of students who could have failed in both the subjects

While preparing the progress reports of the students the class teacher found that 70% of the students passed in Hindi , 80 % passed English and only 65% passed in both the subject . Find out the percentage of students who failed in both the subject.

In a class of 100 students, 55 have passed in mathematics and 67 have passed in Physics. Then the number of students who have passed in Physics only is

In an examination, 25% students failed in Mathematics, 20% failed in Economics and 5% failed in both. Find the percentage of students who passed in both the subjects.

In a class of 100 students, 55 students have passed in Mathematics and 67 students have passed in Physics. Then the number of students who have passed in Physics only is

In a class of 100 students,55 students have passed in Mathematics and 67 students have passed in Physics.Then the number of students who have passed in Physics only is

In an examination 70% students passed both in Mathematics and Physics, 85% passed in Mathematics and 80% passed in Physics. If 30 studetns have failed in both the subjects , then the total number of students who appeared in the examination is equal to