How many integers between 1 annd 1000000 have the sum of the digit equal to 18?

How many integers between 1 and 1000000 have the sum of the digit equal to 18?

The number of integers between 1 and 1000 having their sum of digits equal to 12 is

Find the number of integers which lie between 1 and 10^(6) and which have the sum of the digits equal to 12.

How many integers are there between 0 and 10^(5) having the digit sum equal to 8?

How many integers are there between -9 and -2 ?

How many numbers are there between 100 and 1000 which have exactly one of their digits as 7?

Let x be the number of integers lying between 2999 and 8001 which have at least two digits equal. Then x is equal to

How many numbers are there between 100 and 1000, which have exactly one of their digits as 7?

If N denotes the number of integis that lies between 0 and 10^(5) having the digit sum equal to 8, then ((N)/(5)) is equal to