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From a pack of 100 cards numbered 1 to 100 what is the probability of getti

From a pack of 100 cards numbered 1 to 100 what is the probability of getting a number divisible either by 6 or 12

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A)
lcm of 6 and 12 is 12

so any number that is divisble by both 6 and 12 is divibsle by 12

 from 1 to 100

there are 8 numbers from 1 to 100 which are divisible by 12

there are 16 numbers from 1 to 100 which are divisible by 6

so 16+12=28

so probabilty =28/100=14/50=7/25
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