ICSE Class 6 Mathematics - Sets - Test 5 (Comprehensive)
1. Which is the set of multiples of 6 less than 35?
A. {6, 12, 18, 24, 30, 36}
B. {1, 2, 3, 6}
C. {6, 12, 18, 24, 30}
2. If A = {10, 20, 30, 40}, which number is an element of A?
A. 30
B. 25
C. 50
3. How many elements are in the set of letters of the word APPLE?
A. 5
B. 4
C. 3
4. Which set is equal to {8, 6, 4, 2}?
A. {2, 4, 6}
B. {2, 4, 6, 10}
C. {2, 4, 6, 8}
5. The set of factors of 24 is:
A. Finite set
B. Infinite set
C. Empty set
6. Which of the following is an empty set?
A. Set of odd numbers less than 5
B. Set of even prime numbers greater than 2
C. Set of factors of 9
7. Which of the following is a singleton set?
A. Set of vowels
B. Set of factors of 10
C. Set of prime factors of 49
8. If A = {x, y, z}, which is a subset of A?
A. {x, z}
B. {x, a}
C. {y, b}
9. Which is a proper subset of {red, green, blue}?
A. {red, green, blue}
B. {red, blue}
C. {yellow, blue}
10. If A = {1, 4, 7} and B = {4, 8, 12}, what is A union B?
A. {4}
B. {1, 7, 8, 12}
C. {1, 4, 7, 8, 12}
11. If A = {2, 5, 8, 11} and B = {1, 5, 7, 11}, what is A intersection B?
A. {5, 11}
B. {2, 8}
C. {1, 2, 5, 7, 8, 11}
12. If A = {3, 6, 9, 12} and B = {6, 12, 15}, what is A - B?
A. {6, 12}
B. {3, 9}
C. {3, 6, 9, 12, 15}
13. If U = {a, b, c, d, e, f} and A = {a, c, e}, which elements are not in A?
A. {a, c, e}
B. {a, b, c}
C. {b, d, f}
14. Which is the set of factors of 20?
A. {1, 2, 4, 5, 10, 20}
B. {2, 4, 6, 8, 10, 20}
C. {1, 3, 5, 10, 20}
15. Which is the set of prime numbers greater than 20 and less than 30?
A. {21, 23, 25, 27, 29}
B. {23, 29}
C. {22, 24, 26, 28}
16. Which is the set of composite numbers less than 12?
A. {2, 3, 5, 7, 11}
B. {1, 4, 6, 8, 9, 10}
C. {4, 6, 8, 9, 10}
17. If A = {cat, dog} and B = {dog, cow}, what is A union B?
A. {cat, dog, cow}
B. {dog}
C. {cat, cow}
18. If A = {cat, dog} and B = {dog, cow}, what is A intersection B?
A. {cat, cow}
B. {dog}
C. {cat, dog, cow}
19. If A and B are disjoint sets, what is A intersection B?
A. A union B
B. Universal set
C. Empty set
20. Which diagram is commonly used to represent sets?
A. Venn diagram
B. Pie chart
C. Line graph