alleryஇரண்டு கணங்களின் சேர்ப்பில் 30 உறுப்புகள் உள்ளன. ஒரு கணத்தில் 20 உறுப்புகளும் மற்றொன்றில் 18 உறுப்புகளும் உள்ளன. அவை இரண்டிற்கும் பொதுவான உறுப்புகள் எத்தனை?
A12
B10
C8
D6
Answer & Solution
Correct answer: C. 8
பொதுவான பகுதி (Overlap) = 20 + 18 - 30 = 8 உறுப்புகள் இருமுறை கணக்கிடப்பட்டுள்ளன.
Keep practising Venn Diagrams
Browse all Venn Diagrams questions for RRB NTPC, or explore more Reasoning topics.
Related questions
What standard mathematical term denotes the region where two overlapping sets share commonWhat mathematical term denotes the combined area containing elements of either set?Venn showed that a three-set chart could test which kind of argument?Set A has 48 members and 18 of them are also in B. How many are in A but not in B?How many integers from 1 to 100 are divisible by 2 or by 5?Union of A and B has 90 members, A∩B has 20 and A has 60. How many members does B have?Set A has 15 members and lies wholly inside set B, which has 25. How many are in A or B?Of 80 people, 50 read English, 40 read Hindi and 15 read neither. How many read both?