2020हिन्दीGS Paper II
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धर्म कहाँ निवास करता है?
A man pointing to a photograph says- "The lady in the photograph is my nephew's maternal grandmother". How is the lady in the photograph related to the man's sister, who has no other sister?
A and B are two sets. A has 10 members and B has 18 members. A ∪ B = 20. The number of members in A ∩ B will be