A survey of 850 students in a University yields that 680 students like music and 215 like dance. What is the least number of students who like both music and dance?

What is the number of students who opted for dancing ?

In a survey of 35 students of a class it was found that 17 students like mathematics and 10 like Mathematics but not Biology. Find the number of students who like (i) Biology, (ii) Biology but not Mathematics, it being given that each student takes at least one of the two subjects.

In a class of 60 students, 45 students like music, 50 students like dancing, 5 students like neither. Then The number of students in the class who like both music and dancing is

In a class of 60 students, 30 students like Mathematics, 25 like Science and 15 like both. Then, the number of students who like either Mathematics or Science is

In a class of 60 students, 30 students like Mathematics, 25 like Science and 15 like both. Then, the number of students who like either Mathematics or Science is

In a survey of 400 students of a school, it is found that 100 students like apple juice, 150 like orange juice and 75 like both. Find how many students do like neither apple not orange juice ?

In a survey of 400 students of a school, it is found that 100 students like apple juice, 150 like orange juice and 75 like both. Find how many students do like neither apple not orange juice ?

In a class of 50 students 32 likes Mathematics , 24 like Science and 12 like both. Find the number of students who like neither of the two subjects.

In a class of 50 students 32 likes Mathematics , 24 like Science and 12 like both . Find the number of students who like neither of the two subjects.

In a class of 120 students.If 40 of them like Science' and 80 of them like 'Mathematics', then the number of students who like both Mathematicsand,' and Science' must be _(-)