23. Five mark exercise problems I

1. Raman's age is three times the sum of the ages of his two sons. After \(5\) years his age will be twice the sum of the ages of his two sons. Find the age of Raman.

 

Answer:

 

The age of Raman is .

 

2. The middle digit of a number between \(100\) and \(1000\) is zero and the sum of the other digit is \(13\). If the digits are reversed, the number so formed exceeds the original number by \(495\). Find the number.

 

Answer:

 

The number is .