Sets - practice problems
Number of problems found: 270
- Intersection of two sets
A = {a, b, c, d, e, f, g, h, i}, B = { d, g, f, k, j, a}, find A ∩ B. - Here are 2
Here are two sets: A:={{1,2},{1,4},{2,4}} and B:={{1,4},{1},{2},{4,2}}. How large is |A∩B| - Combinations
Evaluate following expression involving combinations and permutations: C(6,3) + 3 P(6,3) - Employees 12961
Half of the employees are women. 2/5 are mothers. What part of the employees are mothers? - Min-max
What is the maximum and minimum of the data set: 6, 2, 3, 3, 2, 2 - Union of sets
Given the sets A = {2, 3, 4, 5} and B = {2, 4, 5, 6} . What is A ∪ B? 1.A ∪ B={2, 4, 5} 2.A ∪ B={3} 3.A ∪ B={2, 3, 4, 5, 6} 4.A ∪ B={6} - Identify 3954
Identify all subsets of sets: {3,5,8}, {1,4}, {0}, empty set. Write down the number of subsets. - Let A=
Let A= {1,3,5}, B={2,4,5,6}, U={1,2,3,4,5,6,7} Find: 11. A ∪ B 12. A ∩ B 13. A' 14. (A ∩ B)' 15. B" - Sets
If X = {1, 2, 3, 4, 5 . . .10}, Y = {2, 4, 6,. . . 20} and Z = {x: x is an integer, 15 ≤ x ≤ 25 }. Find (a) X ∩ Y, (b) X ∩ Z, (c) n(X ∪ Y) and (d) n(X ∪ Z) - Inequality: 33371
Solve the quadratic inequality: -2x² + 4x + 6 - Set complement
Let U = {1, 3, 5, 7, 9, 11} and A = {1, 5, 9}. What are the elements of A’? A. {3, 7, 11} B. {0} C. {1, 3, 9} D. {2, 4, 6, 8, 10} - Disjoint
How many elements have union and intersection of two disjoint sets when the first has 1 and second 8 elements? - Two-digit 26211
Writes all two-digit numbers using the numbers 4 and 7 - Intersect of sets
Refer to the sets below: U = {1,2,3,. .. ,10} A = {1,2,3,4,5} B = {2,4,6,7,8} C = {4,5,6,8,10} A ∩ B ∩ C = ___ - Definition 81474
Determine the definition fields of functions: y=4/x (written as a fraction) - X intercept
Given: 3y+2x=-6 Calculate the X-intercept. - TVs
Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase. - Divisors 40571
All common divisors of headings 90 and 48 - Flowers 6229
There are 20 flowers in the vase. There are 15 white flowers and ten roses. Are there white roses in the vase? - Domains: 4845
Specify function domains: a / y = 2x-1 b / y = 5x / (2x + 1) c / y = x² / (x²-9)
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