how many three digit number are divisible by 3

300
 
  • 0
the last 3 digit no. divisible by 3 is 999.
the first is 102.
so,
a1=102
d=3
a(n)=999

a(n)=a+(n-1)d
999=102+(n-1)3
807/3=n-1
269=n-1
n=270


so, there are 270 three digit no divisible by 3
 
  • 1
999 & 963
  • 0
963 and 999,300
  • 0
999, 963 and300
  • 0
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