allery50 طلباء کی کلاس میں 30 ریاضی، 25 سائنس اور 15 دونوں مضامین پڑھتے ہیں۔ کتنے طلباء نہ ریاضی پڑھتے ہیں نہ سائنس؟
A5
B12
C10
D8
Answer & Solution
Correct answer: C. 10
کم از کم ایک مضمون پڑھنے والے = 30 + 25 - 15 = 40 طلباء۔ اس لیے کوئی بھی مضمون نہ پڑھنے والے = 50 - 40 = 10۔
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?