a four digit no is formed using the digits 1,2,3,4 with no repetition. find the probability that the numbers is divisible by 5?
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the probability is 0 .
because , for probability of 5 last digit should be 0 or 5 but in given digits 1,2,3,4 no combination of numbers can end with five so probability is zero
because , for probability of 5 last digit should be 0 or 5 but in given digits 1,2,3,4 no combination of numbers can end with five so probability is zero
kana8:
if i change digit 4 with 5 then what is probably
then you should first find combinations which are ending with five then keep normal probability formula
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