Let S be a set of all distinct numbers of the form P/Q, where p,q∊\{1,2,3,4,5\} What is the cardinality of the set S? [NDA II 2016]

NDA Math Sets Relations and Functions

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Let S be a set of all distinct numbers of the form

, where p,q∊{1,2,3,4,5} What is the cardinality of the set S?

[NDA II 2016]

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