In a company 30% are supervisors and 40% employees are male if 60% of supervisors are male. What is the probability that a randomly chosen employee is a male or female?


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(Words not repeated exactlybut question is this) Digit sliding means if there is a number 1627, after digit sliding it will be 7162. Say a lowest positive integer with unit digit as z, after digit sliding a new number is acquired which four times the original number before digit sliding. How many digits do the original number have?

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