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प्रश्न
If A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: n (B)
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उत्तर
n (B) = {3, 6, 9, 12} = 4
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संबंधित प्रश्न
Which set of numbers could be the universal set for the set given below?
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