MEDIUM
11th CBSE
IMPORTANT
Earn 100

There are 200 individuals with a skin disorder, 120 had been exposed to the chemical C1, 50 to chemical C2, and 30 to both the chemicals C1 and C2. Find the number of individuals exposed to Chemical C2 but not chemical C1

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Important Questions on Sets

HARD
11th CBSE
IMPORTANT
There are 200 individuals with a skin disorder, 120 had been exposed to the chemical C1, 50 to chemical C2, and 30 to both the chemicals C1 and C2. Find the number of individuals exposed to Chemical C1 or C2
HARD
11th CBSE
IMPORTANT
In a class of a certain school, 50 students, offered mathematics, 42 offered biology and 24 offered both the subjects. Find the number of students offering mathematics only,
HARD
11th CBSE
IMPORTANT
In a class of a certain school, 50 students, offered mathematics, 42 offered biology and 24 offered both the subjects. Find the number of students offering biology only.
HARD
11th CBSE
IMPORTANT
In a class of a certain school, 50 students, offered mathematics, 42 offered biology and 24 offered both the subjects. Find the number of students offering any of the two subjects,
HARD
11th CBSE
IMPORTANT
In an examination, 56% of the candidates failed in English and 48% failed in science. If 18% failed in both English and science, find the value of k, if the percentage of those who passed in both the subjects is k%.
HARD
11th CBSE
IMPORTANT
In a group of 65 people, 40 like cricket and 10 like both cricket and tennis. How many like tennis only and not cricket?
HARD
11th CBSE
IMPORTANT
In a group of 65 people, 40 like cricket and 10 like both cricket and tennis. How many like tennis?
MEDIUM
11th CBSE
IMPORTANT
A school awarded 42 medals in hockey, 18 in basketball and 23 in cricket. if these medals were bagged by a total of 65 students and only 4 students got medals in all the three sports, how many students received medals in exactly two of the three sports?