If 4-digit numbers greater than 5,000 are randomly formed from the digits 0, 1, 3, 5, and 7, what is the probability of forming a number divisible by 5 when,
(i) the digits are repeated?
(ii) the repetition of digits is not allowed?
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1) 100 place can be occupied by 2552 manner
2) 12 place can be occupied by 1321 manner 2 times multiply and get the answer
2) 12 place can be occupied by 1321 manner 2 times multiply and get the answer
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