how many numbers of two digits are divisible by 9 ?
the question of A.P.
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Answered by
8
Here is ur answer
18,27,36,45,54,63,72,81,90,99 these digits are divisible by 9
Thus, 10 numbers of two digits are divisible by 9
18,27,36,45,54,63,72,81,90,99 these digits are divisible by 9
Thus, 10 numbers of two digits are divisible by 9
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Answered by
15
A.p will be
18 , 27 ...... 99
a = 18
b = 27
common difdference = 9
99 = 18 + (n-1) 9
81= (n-1) 9
n-1 = 9
n= 10
no. of digits = 10
18 , 27 ...... 99
a = 18
b = 27
common difdference = 9
99 = 18 + (n-1) 9
81= (n-1) 9
n-1 = 9
n= 10
no. of digits = 10
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