# CBSE Class 10 Answered

**students of a class are made to stand in rows.if one student is extra in row,there wpuld be 2 rows less.if one student is less,there would be three rows more find the no of students in the class????????????????**

Asked by shubham deshpande | 03 Feb, 2013, 09:40: PM

Expert Answer

Let the number of rows be x and number of students in a row be y.

Total number of students in the class

= Number of rows x Number of students in a row

= xy

According to the question,

Total number of students = (x - 2) (y + 1)

xy = (x - 2) (y + 1)

Total number of students = (x + 3) (y - 1)

xy = (x + 3) (y - 1)

Simplify the above two equations to find the values of x and y.

Answered by | 03 Feb, 2013, 10:41: PM

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