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How many one-digit numbers are twice the size the sum of their digits?
None. The sum of one digit can't be twice the size of the digit.
How many distinct 4-digit numbers have a digit sum of 7?
-3
How many three digit numbers have the sum of their numbers equal to 5?
30,25,15,20, or 10.
How many numbers between 100 and 300 have a digit sum of 4?
Seven of them.
How many numbers between 9 and 100 have an even digit sum?
46
How many two-digit numbers has a digit sum equal to 5?
There are five such numbers.
How many 5 digits numbers are there whose digits sum to 22?
There are 5460 five digit numbers with a digit sum of 22.
How many one-digit numbers are twice the size the sum of their digits?
None. The sum of one digit can't be twice the size of the digit.
How many 3 digit numbers have a digit sum of 27?
Only one . . . 999 .
How many distinct 4-digit numbers have a digit sum of 7?
-3
What is the least possible sum of two 4-digit numbers?
what is the least possible sum of two 4-digit numbers?what is the least possible sum of two 4-digit numbers?
How many three digit numbers have the sum of their numbers equal to 5?
30,25,15,20, or 10.
How many numbers are equal to the sum of two odd one digit numbers?
2,4,6,8,10,12,14,16,18
How many even two digit numbers are there where the sum of the digits is 5?
To find the even two-digit numbers where the sum of the digits is 5, we need to consider the possible combinations of digits. The digits that sum up to 5 are (1,4) and (2,3). For the numbers to be even, the units digit must be 4, so the possible numbers are 14 and 34. Therefore, there are 2 even two-digit numbers where the sum of the digits is 5.
How many numbers between 100 and 300 have a digit sum of 4?
Seven of them.
How many three digit numbers are there such whose digits sum is odd?
450.
How many numbers between 9 and 100 have an even digit sum?
46
