How many number between 1000 and 5000 are exactly divisible by 225 ?

Solution (By Examveda Team)

$$\eqalign{ & {\text{First number = 1125}} \cr & {\text{Last number = 4950}} \cr & {\text{Number of term }} \cr & {\text{ = }}\frac{{4950 - 1125}}{{225}} + 1 \cr & = \frac{{3825}}{{225}} + 1 \cr & = 17 + 1 \cr & = 18 \cr} $$