# Sets - math word problems

#### Number of problems found: 102

• Subtracting sets For two sets K, L is true: K has 30 elements, L has 27 elements and the set L - K has 22 elements. How many elements does the set K - L have?
• Two sets Suppose Set B contains 69 elements and the total number elements in either Set A or Set B is 124. If the Sets A and B have 29 elements in common, how many elements are contained in set A?
• Disjoint How many elements have union and intersection of two disjoint sets when the first have 1 and secodn 8 elements.
• Operations with sets The set B - A has twice as fewer elements than the set A - B and four times fewer elements than the set A ∩ B. How many times more elements does the set A have than the set B?
• Subsets How many are all subsets of set ??
• TVs Production of television sets increased from 3,500 units to 4,200 units. Calculate the percentage of production increase.
• Subsets How many 19 element's subsets can be made from the 26 element set?
• Trousers In the class was 12 students. Nine students wearing trousers and turtleneck eight. How many students worn trousers with a turtleneck?
• Glasses Imagine a set of students in your class (number of students: 19), who wears glasses. How much minimum and maximum element may contain this set.
• Line intersect segment Decide whether the line p : x + 2 y - 7 = 0 intersects the line segment given by points A[1, 1] and B[5, 3]
• Probabilities If probabilities of A, B and A ∩ B are P (A) = 0.62 P (B) = 0.78 and P (A ∩ B) = 0.26 calculate the following probability (of union. intersect and opposite and its combinations):
• Ace From complete sets of playing cards (32 cards), we pulled out one card. What is the probability of pulling the ace?
• Dices throws What is the probability that the two throws of the dice: a) Six falls even once b) Six will fall at least once
• Count of roots How many solutions has equation x. y = 7757 with two unknowns on the set of natural numbers?
• Classroom 3 How many children are in the classroom, where 13 children are higher than Lenka and 9 children lower than Lenka?
• The triangle The triangle is given by three vertices: A [0.0] B [-4.2] C [-6.0] Calculate V (intersection of heights), T (center of gravity), O - center of a circle circumscribed
• Wafers They used 200 pieces to make wafers. 157 topped with caramel topping and 100 with sugar topping. How many wafers did both toppings have?
• Domains of functions F(x)=x2-7x and g(x)=5-x2 Domain of (fg)(x) is. .. . . Domain of (f/g)(x). ..
• Raffle There are 200 draws in the raffle, but only 20 of them win. What is the probability of at least 4 winnings for a group of people who have bought 5 tickets together?
• Water colors Painting workshop attend 10 students. Eight students painted water colors and nine painted with tempera colors. How many students painted water colors and tempera at the same time?

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