Recent questions tagged sets

2 2 votes
1 1 answer
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In a class consisting of $100$ students, $20$ know English and $20$ do not know Hindi and $10$ know neither English nor Hindi. The number of students knowing both Hindi a...
0 0 votes
1 1 answer
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Deepika had four papers in her matriculation exam- English, Hindi, Social Studies and Science each carrying a maximum of $100$ marks. Her uncle offered her a Paulo Coelho...
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1 1 answer
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There is a class of $120$ students in St. Pauľs College. All the students are numbered $1$ to $120$, where in all even numbered students opt for History, those numbers ar...
1 1 vote
1 1 answer
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Ghoshbabu is staying at Ghosh Housing Society, Aghosh Colony, Dighoshpur, Calcutta. In Ghosh Housing Society 6 persons read daily Ganshakit and 4 read Anand Bazar Patrika...
1 1 vote
1 1 answer
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Ghoshbabu is staying at Ghosh Housing Society, Aghosh Colony, Dighoshpur, Calcutta. In Ghosh Housing Society 6 persons read daily Ganshakit and 4 read Anand Bazar Patrika...
2 2 votes
1 1 answer
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Ghoshbabu is staying at Ghosh Housing Society, Aghosh Colony, Dighoshpur, Calcutta. In Ghosh Housing Society 6 persons read daily Ganshakit and 4 read Anand Bazar Patrika...
1 1 vote
1 answers 1 answer
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Out of 100 students, 10 students used to drink milk(M), coffee(C) and Tea(T); 20M and C; 30C and T; 25M and T; 12M only; 5C only and 8T only. The number of students who d...
1 1 vote
1 answers 1 answer
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Given A = { 1, 3, 9, 27, 81,................................3100 }Y is a subset of A such that the geometric mean of no two elements of Y is 350. N is the maximum possib...
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