How many three digit numbers divisible by 12?
Answer is 75.
Ap- 108,120......996
an=996
a=108
d=12
an=a+(n-1)d
996=108+(n-1)12
888=(n-1)12
n-1=74
n=75
Ap- 108,120......996
an=996
a=108
d=12
an=a+(n-1)d
996=108+(n-1)12
888=(n-1)12
n-1=74
n=75