# ICSE Class 9 Maths Substitution Method

## Q.

The sum of two times Ajay’s age and 5 times Mohit’s age is 12. Also, the difference between 4 times Ajay’s age and Mohit’s age is 2 years. What is Ajay’s age?

## Q.

The cost of a table is 3 times the cost of a chair. The total cost of 4 chairs and a table is Rs. 2100. Find the cost of a table.

## Q.

The difference between 9 times the age of Ram and 4 times the age of Jay is 14. Also, the difference between 7 times the age of Ram and 3 times the age of Jay is 11 years. Ram is

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