How to find
How many 3 digit numbets are divisible by 9
Answers
Answered by
1
just check number which's sum of all digit is divisible by 9
Answered by
0
AP... 108,........999
WITH THE HELP OF AP
An=999
a=108
d=9
n=?
An=a+(n-1)d
999=108+(n-1)*9
999-108=9n-9
891+9=9n
900/9=n
n=100
HOPE ITS HELPFUL AND RGT
WITH THE HELP OF AP
An=999
a=108
d=9
n=?
An=a+(n-1)d
999=108+(n-1)*9
999-108=9n-9
891+9=9n
900/9=n
n=100
HOPE ITS HELPFUL AND RGT
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