The answer is 28
28
The sum of the number of digits in all the numbers between 31 and 400 inclusive is 1041.
This cannot be answered. This will have to be written to where it can be understood.
20 number
That is a trick question. 10 is the same number as 10.000, it is merely expressed with fewer significant digits. There are no numbers between one number and itself.
28
The number is: 36725918 In descending order that is: 98765321 The pairs of numbers that have as many digits between them in both are: 3,9 5,8 6,7 So there are three pairs.
The sum of the number of digits in all the numbers between 31 and 400 inclusive is 1041.
Digits is how many numbers you have in a number. If you have the number 4 it has one digit if you have the number 20 it has two digits and if you have the number 558 it has three digits. So basically in the number 1085 it has 4 digits because there is 4 numbers in it, the numbers are 1,0,8 and 5. Hoped you understand.
This cannot be answered. This will have to be written to where it can be understood.
20 number
That is a trick question. 10 is the same number as 10.000, it is merely expressed with fewer significant digits. There are no numbers between one number and itself.
There is only one integer between these two numbers which contains both the digits 7 & 4.It is 347.
Armstrong numbers are the sum of their own digits to the power of the number of digits.
Since both of those numbers contains four digits, there are no three-digit numbers between them.
infintate as numbers do not stop, so you can keep adding digits at the end of the negative number.
roman numbers............