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how many positive 4-digit numbers

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
1. 5 answers
2. asked by rohit
3. 1,457 views
From the digits 1, 2, 3, and 4, how many positive integers are less than 100,000? Consider the possibilities for 5-digit,
1. 1 answer
2. asked by Sebastian
3. 1,363 views
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
1. 1 answer
2. asked by Hale
3. 586 views
Find the number of five digit numbers less than 40,000 in which the 33 digit numbers formed by consecutive digits are all
1. 1 answer
2. 99 views
Let S(N) denote the digit sum of the integer N. As N ranges over all 3-digit positive numbers, what value of N would give the
1. 2 answers
2. asked by raja harishchandra
3. 653 views
Let S(N) denote the digit sum of the integer N. As N ranges over all 3-digit positive numbers, what value of N would give the
1. 1 answer
2. asked by jack
3. 495 views
how many positive whole numbers smaller than 2003 have 2 as their first digit and 1 as their last digit
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2. asked by alexis
3. 426 views
the hundred thousands digit of a six-digit even numbers is 3 more than the thousand digit,which is twice the ones digit.give at
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2. asked by louie
3. 737 views
how many positive 4-digit numbers are there with an even digit in the hundreds position and an odd digit in the tens position?a.
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2. asked by nicole
3. 1,398 views
A 4-digit number is selected from the numbers {1,2,3,4,5,6} where the digits are selected without replacement.How many 4-digit
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2. asked by Carrie
3. 772 views