a number is selected at random From first 100 numbers.find The probability that the number is divisible by 4 or 8
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A number which is divisible by 8 is also divisible by 4
4×25=100
that means there are 25 no.s divisible 4 till 100
25/100=1/4
4×25=100
that means there are 25 no.s divisible 4 till 100
25/100=1/4
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Answer:
The numbers divisible by 4 are = 4, 8, 12,....100 i.e. total 25 numbers.
The numbers divisible by 8 are =8,16,24...i.e total 12 numbers.
If you add both of them we get 25+12=37
Therefore the probability is 37/100.
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