alleryA અને B ના યોગગણમાં 90 સભ્યો છે, A∩B માં 20 અને A માં 60 સભ્યો છે. B માં કેટલા સભ્યો છે?
A50
B70
C30
D40
Answer & Solution
Correct answer: A. 50
90 = 60 + B - 20 પરથી, B = 50.
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?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?How many zones, including the outside, does a Venn chart for four sets have?