ICSE Class 6 Mathematics - Sets - Test 2 (Intermediate)
1. If A = {2, 4, 6, 8}, which number is an element of A?
A. 5
B. 6
C. 9
2. If B = {1, 3, 5, 7}, which number is not an element of B?
A. 1
B. 5
C. 4
3. What is the set of letters in the word SCHOOL?
A. {S, C, H, O, L}
B. {S, C, H, O, O, L}
C. {S, H, L}
4. Which is the set of odd numbers less than 12?
A. {1, 3, 5, 7, 9}
B. {1, 3, 5, 7, 9, 11}
C. {3, 5, 7, 9, 11, 13}
5. Which is the set of multiples of 3 less than 20?
A. {3, 6, 9, 12, 15, 18, 21}
B. {1, 3, 6, 9, 12, 15}
C. {3, 6, 9, 12, 15, 18}
6. What is the cardinal number of {Monday, Tuesday, Wednesday, Thursday, Friday}?
A. 5
B. 6
C. 7
7. How many elements are there in the set {4, 4, 5, 6, 6}?
A. 5
B. 3
C. 4
8. Which set is equal to {a, b, c}?
A. {a, b}
B. {a, b, d}
C. {c, a, b}
9. Which is a subset of {3, 6, 9, 12}?
A. {3, 6}
B. {6, 10}
C. {2, 12}
10. If A = {1, 2, 3} and B = {3, 4, 5}, what is A union B?
A. {3}
B. {1, 2, 3, 4, 5}
C. {1, 2, 4, 5}
11. If A = {2, 4, 6} and B = {4, 6, 8}, what is A intersection B?
A. {2, 8}
B. {2, 4, 6, 8}
C. {4, 6}
12. Which pair of sets is disjoint?
A. {1, 2} and {3, 4}
B. {2, 4} and {4, 6}
C. {5, 7} and {7, 9}
13. Which is the set of factors of 12?
A. {1, 2, 3, 4, 5, 6}
B. {1, 2, 3, 4, 6, 12}
C. {2, 4, 6, 8, 10, 12}
14. Which is the set of prime numbers between 10 and 20?
A. {10, 12, 14, 16, 18}
B. {11, 13, 15, 17, 19}
C. {11, 13, 17, 19}
15. Which of the following is a singleton set?
A. Set of even prime numbers
B. Set of vowels
C. Set of natural numbers
16. Which of the following is an empty set?
A. Natural numbers less than 3
B. Natural numbers between 4 and 5
C. Natural numbers greater than 10
17. If U = {1, 2, 3, 4, 5, 6} and A = {2, 4, 6}, which elements are not in A?
A. {2, 4, 6}
B. {1, 2, 3}
C. {1, 3, 5}
18. How many elements are in the set of colours in the Indian national flag?
A. 4
B. 3
C. 5
19. If A = {p, q, r}, which of the following is a subset of A?
A. {p, s}
B. {p, r}
C. {q, t}
20. Which statement is correct?
A. A finite set has endless elements
B. An empty set has many elements
C. An infinite set has endless elements