Madhya Pradesh Police Exam Model Paper 4

The smallest three digit number is = 100
The largest three digit number is = 999
Numbers which is divisible by 3 from 1 to $99=99/3=33$
Numbers which is divisible by 3 from 1 to $999=999/3=333$
3 digit number divisible by 3 are $=333\mathit{–}33=300$