alleryఒక హాస్టల్లో, 60 మంది విద్యార్థులు దినపత్రిక A, 50 మంది దినపత్రిక B మరియు 20 మంది రెండింటినీ చదువుతారు. దినపత్రిక A ని మాత్రమే చదివేవారు ఎంతమంది?
A20
B30
C35
D40
Answer & Solution
Correct answer: D. 40
దినపత్రిక A మాత్రమే = n(A) - n(A ∩ B) = 60 - 20 = 40.
Keep practising Venn Diagrams
Browse all Venn Diagrams questions for RRB NTPC, or explore more General Intelligence and Reasoning topics.
Related questions
RRB NTPC · Set Operations PracticeRRB NTPC · Two-Set Venn CalculationsIn a test of 60 candidates, 40 passed Paper 1, 35 passed Paper 2, and 25 passed both. How In a group of 50 students, 30 like Blue, 25 like Green, and 10 like neither. How many likeOf 40 players, 22 play Cricket, 20 play Hockey, and all play at least one of these two spoIn a school, 80 students take Art, 60 take Music, and 30 take both. How many take at leastIn a group of 70 people, 40 drink Tea, 35 drink Coffee, and 15 drink neither. How many driWhich relationship best describes: Teachers, Authors, Men?