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How many two-digits numbers are there in which the tens digit is greater than the ones digit?
If the first digit is 9, you have 9 options (0-8) for the second digit.
If the first digit is 8, you have 8 options (0-7) for the second digit.
Etc.
This leaves you with the arithmetic series: 0 + 1 + 2 + 3 + ... + 9.
What else can I help you with?
How many whole numbers have exactly 2 digits?
there are 89 twodigits in whole numbers
How many two digit numbers are there in which the tens digit is greater than the ones digit?
There are 45 of them.
How many 2 digit prime numbers are there whose unit digit is greater its tens digit?
Ten.
How many 3 digit numbers greater than 100 are palindromes?
There is: 101,111,121,131,141,151,161,171,181,191 202,212,222,etc... 999 There are 90 palindromic 3 digit numbers
How many 2-digit numbers are there in which the one digit in greater than tens digit?
Oh, what a lovely question! If we're looking for 2-digit numbers where the one's digit is greater than the ten's digit, we simply need to think about the possibilities. There are 36 such numbers, ranging from 12 to 98. Just imagine all the happy little numbers waiting to be discovered!
How many five digit numbers can you make by using 12345 greater than 40000?
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How many 2-digit numbers are there whose ones digit is 5 greater than its ten digits?
-3
How many one digit numbers are there from 1-50?
There are nine one-digit numbers from 1 to 50. These numbers are 1, 2, 3, 4, 5, 6, 7, 8, and 9. All other numbers in that range are two digits or greater.
How many two-digit whole numbers does not contain zero and any number greater than 1?
There is only one such number.
How many 3-d How many 3-digit numbers will be there which are divisible by 19igit numbers with atleast one 5 in their digits?
None. 3 digit numbers are not divisible by 19 digit numbers.
How many 5 digit numbers are even?
With a total of 90,000 five digit numbers, we can conclude that there is 45,000 EVEN five digit numbers.
How many two digit prime numbers are there?
There are 21 two-digit prime numbers.
