Question

how many 3 digit number divisible by 5

Answer 1

There are 178 three digit numbers which are divisible by 5.

Answer 2

hey mate
i think this will help u
the lowest 3 digit no. divisible by 5 is 100.
after 100 ,105,110,115...............
the highest 3 digit no.is 995
a=100,d=5,a'n=995

a'n=a+(n-1)d
995=100+(n-1)5
995-100=(n-1)5
895=(n-1)5
(n-1)=895/5
(n-1)=179
n=179+1
n=180

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