A positive two-digit number is

  1. Find the sum of all 3-digit positive numbers N that satisfy the condition that the digit sum of N is 3 times the digit sum of
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    2. rohit asked by rohit
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  2. For every positive 2-digit number, x, with tens digit t and units digit u , let y be the 2 digit number formed by reversing the
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    2. reena asked by reena
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  3. John chooses a 5-digit positive integer and deletes one of its digits to make a 4-digit number. The sum of this 4-digit number
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    2. Amitabha asked by Amitabha
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  4. Find a three-digit positive integers such that the sum of all three digit is i4, the tens digit is two more than ones and if the
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    2. Maria Christina asked by Maria Christina
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  5. one of two digit of a two digit number is 5 time other digit if we interchange the digit of is two digit number the resulting
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    2. juni asked by juni
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  6. How many positive four-digit integers $N$ have the property that the three-digit number obtained by removing the leftmost digit
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    2. Lily asked by Lily
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  7. If you have the sume of squares of the digits of a positive two-digit number is 20, the tens digit is 2 more than the units
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    2. Joey asked by Joey
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  8. The tens digit of a two-digit positive integer is 2 more than three times the ones digit. If the digits are interchanged, the
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    2. Anonymous asked by Anonymous
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  9. A 3-digit positive integer is selected at random. Find the probability thatA) The last two digits of the number is 22 B) The
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    2. Ledyyyy asked by Ledyyyy
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  10. The number uses every number 0-9 the numbers are used only once the fourth digit is 4 the first digit in the billions place is 3
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    2. Anonymous asked by Anonymous
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