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Remaining Time: 15 minutes, 58 seconds. Question Completion Status QUESTION 13 Which of the following is the correct C condition equivalent to the statement: mark is 60 or less (mark s 60 ) (mark 60 ) QUESTION 14 Which is FALSE about reserved words These are words C-language reserves for its own use We need to include a standard library before using They have special meaning to C and can not be used for other purposes They are always lower case QUESTION 15 An example for datatype: #define int return 0 0 printf