CBSE Class 11 Sets Worksheet A

Download free printable worksheets for your students. All worksheets are in pdf format with the answers on the next page. Please give the questions to the child and then compare answers with the suggested answers provided by us. Free worksheets with questions and answers are available for all subjects. Use the worksheets to get better marks in tests and exams.

1. Describe the set in Roster form

{x : x is a two digit number such that the sum of its digit is 8}

2. Are the following pair of sets equal? Give reasons.

A = { x:x is a letter in the word FOLLOW}

B = { y:y is a letter in the word WOLF}

3. Write down all the subsets of the set {1,2,3}

4. Let A = { 1,2,{3,4,},5} is {{3,4}} ←A is incorrect. Give reason.

5. Draw venn diagram for (A ∩ B)'

6. In a survey of 400 students in a school, 100 were listed as taking apple juice, 150 as taking orange juice and 75 were listed as taking both apple as well as orange juice.

Find how many students were taking neither apple juice nor orange juice.

7. A survey shows that 73% of the Indians like apples, whereas 65% like oranges.

What % Indians like both apples and oranges?

8. In a school there are 20 teachers who teach mathematics or physics. Of these 12 teach mathematics and 4 teach both physics and mathematics. How many teach physics?

9. 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

(1) chemical C₁ but not chemical C₂

(2) chemical C₂ but not chemical C₁

(4) chemical C₁ or chemical C₂

10. In a survey it was found that 21 peoples liked product A, 26 liked product B and 29 liked product C. If 14 people liked products A and B, 12 people like C and A, 14 people like B and C and 8 liked all the three products. Find now many liked product C only.

Click on link below to download CBSE Class 11 Sets Worksheet A.