Math, asked by aanchalbang06, 9 months ago

How many 3 digit numbers are divisible by 9 (find the answer using A.P. formula)

Answers

Answered by rashmibhardwaj1518

Sryyy ,
I dont know the answer

Answered by XxMissPaglixX

${\huge{\mathtt{\green{AnSwEr:-}}}}$

$<body bgcolor="black"><font color="pink">$

The series will be :-

108,117,126,.......,990.

here, a=108

d=9

and,an=990

so,

$a_n = a + (n - 1)d \\ 999 = 108 + (n - 1)9 \\ 999 - 108 =( n - 1)9 \\ 891 = (n - 1)9 \\ n - 1 = \frac{891}{9} \\ n - 1 = 99 \\ n = 99 + 1 \\ n = 100(ans)$

${\huge{\mathtt{\green{Thank\:You}}}}$

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How many 3 digit numbers are divisible by 9 (find the answer using A.P. formula)​

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How many 3 digit numbers are divisible by 9 (find the answer using A.P. formula)