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The digit in the unit’s place of  a numb...

The digit in the unit’s place of  a number is equal to the digit in the ten’s place of half of that number and the digit in the tens lade of that  number is less than the digit in unit’s place of half of the number by 1. If the sum of the digits of the digits of the number is 7, then what is the number? a. 34            b. 162       c. 52           d. Data inadequate e. None of these

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