How many positive integers less than 200 are there such that they are multiples of 13 or multiples of 12 but not both?
28
29
30
31
32
28
29
30
31
32
Multiples of both 12 and 13 = 156 => 1rakeshd347 wrote:How many positive integers less than 200 are there such that they are multiples of 13 or multiples of 12 but not both?
28
29
30
31
32
Multiples of 12 = 12,24,....,192 => 16
Multiples of 13 = 13,26,....,195 => 15
Required answer = 16 + 15 - 1 - 1 = 29
Choose B
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