What is the cardinality of the set of odd positive integers less than 10?

Related MCQs

• The set O of odd positive integers less than 10 can be expressed by ___________
• The set O of odd positive integers less than 10 can be expressed by ___________ .
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• Let the statement be “If n is not an odd integer then square of n is not odd.”, then if P(n) is “n is an not an odd integer” and Q(n) is “(square of n) is not odd.” For direct proof we should prove                    
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• he set of positive integers is _________ .
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