Participants in a science exhibition are given registration numbers from \(2200\) to \(2300\). Every participant whose registration number is a multiple of \(3\) is selected for a lucky draw. How many participants are eligible for the lucky draw? 
 
Ans
 
First multiple of \(3\) between the given range \(=\)
 
Last multiple of \(3\) between the given range \(=\)
 
Number of participants eligible \(=\)