ICSE Class 9 Maths Elimination Method

Q.

The cost of 5 oranges and 3 apples is Rs. 35, and the cost of 2 oranges and 4 apples is Rs. 28. Find the cost of an orange. 



Q.

The sum of the digits of a two-digit number is 9. If the digits are reversed, then the number is greater than the original by 63. Find the original number. 



Q.

The sum of a two-digit number and the number obtained by reversing its digits is 66. If the digits differ by 2, find the number such that the digit in the tens place is greater than the digit in the units place. 



Discussion of the elimination method to solve a pair of linear equations Apply the same to solve word problems.