The number of students who take both the subjects math and chemistry is 30. This represents 10% of enrolment in math and 12% of enrolment in chemistry. How many students take at least one of these subjects?

Open in App

Solution

Suggest Corrections

Similar questions

Q. In a college,

60

students enrolled in chemistry,

40

in physics,

30

in biology,

15

in chemistry and physics,

10

in physics and biology,

5

in biology and chemistry. No one enrolled in all the three. Find how many are enrolled in at least one of the subjects.

In a class students can take one or more out four subjects English, Math, Physics and Chemistry.110 take English, 100 take math,55 take physics and 130 take chemistry. Each student must take at least one subject.20 take only English, 10 take only math, 5 take only physics and 80 take only chemistry. The maximum possible number of students in the class is ___

Q. How many students got Distinction in both Physics and Maths subjects, when the students who got Distinction in Chemistry subject is not included?

Q. A class has

175

students. The following table shows the number of students studying one or more of the following subjects in this class :

Subject	Number of students
Mathematics	$100$
Physics	$70$
Chemistry	$46$
Mathematics and Physics	$30$
Mathematics and Chemistry	$28$
Physics and Chemistry	$23$
Mathematics, Physics and Chemistry	$18$

How many students are enrolled in Mathematics alone, Physics alone and Chemistry alone ? Are there students who have not offered any of these three subjects ?

Q. Out of 180 students in a class, 7 students failed in all the three subjects viz, Physics, Chemistry, Maths. Only 144 students pass in only one subject and 21 students pass in only two subjects.
(a) How many students passed in all the three subjects?
(b) How many students passed in at least two subjects?
(c) How many students passed in at most two subjects but at least in one subject?

Join BYJU'S Learning Program