Question

find how many three digit natural number are divisible by 5​

Answer 1

Mate here is your answer...

A/Q

three digit natural number divided by 5 are..

100,105,110...............995

in this AP

A=100

D=5

An=995

now by putting formula..

An = A+(n-1)d

995=100+(n-1)5

995-100=5n-5

895=5n-5

895+5=5n

900=5n

N=900/5

n=180

so your answer is 180

hope it will helpful for you...