CBSE Class 10 Maths Cross Multiplication Method

Q.

If three times the larger of two numbers is divided by the smaller number, we get 4 as the quotient and 3 as the remainder. Also, if seven times the smaller number is divided by the larger number, we get 5 as the quotient and 1 as the remainder. Find the numbers. 



Q.

Solve the following using cross multiplication:

ax + by (a b) = 0 

bx ay (a + b) = 0 



Q.

Solve the following using cross multiplication:

x + y (a + b) = 0 

ax by (a2 b2) = 0 



Q.

Solve the following using cross multiplication:

x + y (a b) = 0 

ax by (a2 + b2) = 0 



This video explains the cross multiplication method to solve a pair of linear equations and applying the same to solve word problems.