23. Four mark example problems I

1. In the flower exhibition conducted at Ooty for \(4\) days the number of tickets sold on the first, second, third and fourth days are \(1,10,010\); \(75,070\); \(25,720\) and \(30,636\) respectively. Find the total number of tickets sold.

 

 

The total number of tickets sold \(=\)

 

The tree diagram is:

 

 

2. In one year, a paper company had sold \(6,25,610\) notebooks out of a stock of \(7,50,800\) notebooks. Find the number of notebooks left unsold.

 

 

The number of notebooks left unsold \(=\)

 

The tree diagram is: