Two sets and Venn diagrams: check 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
The universal set has 18 members. The disjoint counts are: A only 6; B only 5; both 2; neither 5.
Find n(A∪B).
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Two sets and Venn diagrams: review variant 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
The universal set has 22 members. The disjoint counts are: A only 7; B only 6; both 3; neither 6.
Find n(A∪B).
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Two sets and Venn diagrams: check 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
The universal set has 22 members. The disjoint counts are: A only 7; B only 6; both 3; neither 6.
Find n(A∩B).
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Two sets and Venn diagrams: review variant 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
The universal set has 22 members. The disjoint counts are: A only 8; B only 7; both 4; neither 3.
Find n(A∩B).
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Two sets and Venn diagrams: check 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
The universal set has 22 members. The disjoint counts are: A only 8; B only 7; both 4; neither 3.
Find the number in A only.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Two sets and Venn diagrams: review variant 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
The universal set has 26 members. The disjoint counts are: A only 9; B only 8; both 5; neither 4.
Find the number in A only.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Two sets and Venn diagrams: check 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
The universal set has 26 members. The disjoint counts are: A only 9; B only 8; both 5; neither 4.
Find n(A′).
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Two sets and Venn diagrams: review variant 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
The universal set has 18 members. The disjoint counts are: A only 3; B only 4; both 6; neither 5.
Find n(A′).
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Three sets and set notation: check 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
The disjoint regions of a universal set are: A only 4; B only 7; C only 3; AB only 4; AC only 3; BC only 2; ABC 2; outside all three 6. Pair-only counts exclude the third set.
Find n(A∪B∪C).
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Three sets and set notation: review variant 1
Difficulty: ★★☆Info
Maths4U Original · Short practice
The disjoint regions of a universal set are: A only 5; B only 8; C only 4; AB only 1; AC only 4; BC only 3; ABC 3; outside all three 7. Pair-only counts exclude the third set.
Find n(A∪B∪C).
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Three sets and set notation: check 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
The disjoint regions of a universal set are: A only 5; B only 8; C only 4; AB only 1; AC only 4; BC only 3; ABC 3; outside all three 7. Pair-only counts exclude the third set.
Find the number belonging to exactly two sets.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Three sets and set notation: review variant 2
Difficulty: ★★☆Info
Maths4U Original · Short practice
The disjoint regions of a universal set are: A only 6; B only 9; C only 5; AB only 2; AC only 5; BC only 4; ABC 1; outside all three 8. Pair-only counts exclude the third set.
Find the number belonging to exactly two sets.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Three sets and set notation: check 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
The disjoint regions of a universal set are: A only 6; B only 9; C only 5; AB only 2; AC only 5; BC only 4; ABC 1; outside all three 8. Pair-only counts exclude the third set.
Find n(A∩B), including any members also in C.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Three sets and set notation: review variant 3
Difficulty: ★★☆Info
Maths4U Original · Short practice
The disjoint regions of a universal set are: A only 2; B only 3; C only 6; AB only 3; AC only 1; BC only 5; ABC 2; outside all three 2. Pair-only counts exclude the third set.
Find n(A∩B), including any members also in C.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Three sets and set notation: check 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
The disjoint regions of a universal set are: A only 2; B only 3; C only 6; AB only 3; AC only 1; BC only 5; ABC 2; outside all three 2. Pair-only counts exclude the third set.
Find the number outside A∪B.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.
Three sets and set notation: review variant 4
Difficulty: ★★☆Info
Maths4U Original · Short practice
The disjoint regions of a universal set are: A only 3; B only 4; C only 7; AB only 4; AC only 2; BC only 6; ABC 3; outside all three 3. Pair-only counts exclude the third set.
Find the number outside A∪B.
Enter one exact number or fraction unless the question specifies rounding. If it asks for a coefficient of π, enter that coefficient only. Give full reasoning separately for written problems.