Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- Students of a class are made to stand in rows. If one student is extra in a row, there would be 2 rowless. If one student is less in a row, there would be 3 rows more. Find the number of students in the class.

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.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- There are some lotus flowers in a lake. If one butterfly sits on each flower, one butterfly is left behind. If two butterflies sit on each flower, one flower is left behind. What is the number of flowers ? What is the number of butterflies ?

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- for which value of k the following linear pair of equations have no solution ? 3x + y=1 and (2k-1)x+(k- 1)y= 2k+1.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :-The sum of numerator and denominator of a fraction is 4 more than twice the numerator. If' the numerator and denominator are increased by 3, they are in the ratio 2:3. Find the fraction.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :-A fraction becomes 3/4 if 1 is subtracted from denominator. If 3 is added to both the numerator and denominator, it becomes 5/6 . Find the fraction.

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :- The ratio of incomes of two persons is 9 : 7 and ratio of their expenditures is 4 : 3. If each of them saves ? 200 per month. Find their monthly incomes.

Form the pair of linear equations In the following problems and find their solutions (if they exist) by any algebraic method. :- A fraction becomes 1/3 when 1 is subtracted from the numerator and it becomes 1/4 when 8 is added to its denominator. Find the fraction.

From the pair of linear equations in the following problems and find their solutions (if they exist) by elimination method : There are rs 2 and rs 5 coins in a purse. If there are 60 coins of value rs 195, find the number of coins of each kind.