How many numbers between the numbers 0 to 161 are there which are exactly divisible by 9 but not by

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04 Feb 2019 Divisibility

How many numbers between the numbers 0 to 161 are there which are exactly divisible by 9 but not by 4?

OPtion

1) 7
2) 8
3) 11
4) 9
5) 10
6) 13
7) 6
8) 14
9) 12
10) None of these

Solution

Divisible by 9 are 9,18,27,36,45,54,63,72,81,90,99,108,117,126,135, 144, 153
Divisible by 4 are 36,72,108 and 144
So, divisible by 9 but not by 4 = 17-4 = 13

Correct Option: 6 Best Solution (0)