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How many different positive four-digit

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. asked by rohit
3. 1,389 views
From the digits 1, 2, 3, and 4, how many positive integers are less than 100,000? Consider the possibilities for 5-digit,
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2. asked by Sebastian
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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. asked by Maria Christina
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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. asked by reena
3. 970 views
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. asked by Lily
3. 79 views
How many different positive four-digit integers can be formed if the first digit must be 2, the last digit cannot be 0, and
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2. asked by Kyle
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What is the arithmetic mean of all of the positive two-digit integers with the property that the integer is equal to the sum of
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2. asked by Fiona
3. 52 views
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. asked by Joey
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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. asked by Hale
3. 532 views
1.How many positive integers five-digit integers end with the digit 0? 9x10x10x10x? what number would represent zero2.Using the
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2. asked by John
3. 948 views