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11th CBSE
IMPORTANT
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In a group of 50 persons, 30 like tea, 25 like coffee and 16 like both. How many like either tea or coffee?

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Important Questions on Sets

HARD
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 1 - Sets>EXERCISE 1G>Q 6
In a group of 50 persons, 30 like tea, 25 like coffee and 16 like both. How many like neither tea or coffee?
HARD
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 1 - Sets>EXERCISE 1G>Q 7
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 but not chemical C2
MEDIUM
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 1 - Sets>EXERCISE 1G>Q 7
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
HARD
11th CBSE
IMPORTANT
Senior Secondary School Mathematics FOR CLASS 11>Chapter 1 - Sets>EXERCISE 1G>Q 7
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
Senior Secondary School Mathematics FOR CLASS 11>Chapter 1 - Sets>EXERCISE 1G>Q 8
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
Senior Secondary School Mathematics FOR CLASS 11>Chapter 1 - Sets>EXERCISE 1G>Q 8
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
Senior Secondary School Mathematics FOR CLASS 11>Chapter 1 - Sets>EXERCISE 1G>Q 8
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
Senior Secondary School Mathematics FOR CLASS 11>Chapter 1 - Sets>EXERCISE 1G>Q 9
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%.