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- Subject
- Mathematics Mcqsmathematics-mcqs
- Published
- 24 Jun 2024
- Last updated
- 28 May 2026
Explanation
Since n(U) = 60 and n((A ∪ B)') = 10, it follows that n(A ∪ B) = 60 - 10 = 50. Using the formula n(A ∪ B) = n(A) + n(B) - n(A ∩ B), we have 50 = 35 + 24 - n(A ∩ B). Solving for n(A ∩ B) gives n(A ∩ B) = 35 + 24 - 50 = 9.
More Mathematics Mcqs
Practice related questions from the same subject.
- 1.What is 80 percent of 700?
- 2.If the value of P is five times greater than Q, by what percentage is Q smaller than P?
- 3.What was the profession of Blaise Pascal?
- 4.Naeem sold a computer for Rs 25,000 and incurred a loss of 20%. What was the original purchase price of the computer?
- 5.How many centimeters are equivalent to 1 inch?
- 6.Calculate the average (arithmetic mean) of the numbers: 3, 6, 9, 12, and 15.
- 7.A truck travels 100 km in 2 hours and 30 minutes. If a car moves at a speed of 55 km/h, what is the ratio of the truck's speed to the car's speed?
- 8.Arif reads 39 pages of a book in 30 minutes. How much time will Arif need to complete a book that has 1287 pages?
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