Warning: implode(): Invalid arguments passed in /www/wwwroot/jobquiz.info/mdiscuss.php on line 336 A class has R rows of desks with D desks in each row. On a particular day when all the pupils were present, three seats were found vacant. The number of pupils in the class is : ?->(Show Answer!)
1. A class has R rows of desks with D desks in each row. On a particular day when all the pupils were present, three seats were found vacant. The number of pupils in the class is :