Elimination Method of Finding Solution of a Pair of Linear Equations
The students ...
Question
The students of a class are made to stand in rows. If 3 students are extra in a row, there would be 1 row less. If 3 students are less in a row, there would be 2 rows more. Find the number of students in the class.
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Solution
Let the number of rows be x and number of students in a row be y.
Total students of the class= Number of rows × Number of students in a row