-2
17
-5
It would help to know which digit. 0 appears in 9 numbers and each of the others in 18 numbers.
252
-2
17
1
-5
It would help to know which digit. 0 appears in 9 numbers and each of the others in 18 numbers.
252
138 of them.
The answer is 138
There are 175 such numbers.
How many two digit numbers are there in which the tens digit is greater than the oneβs digit ?
There are 45 such numbers.
72. (with the range of two digit numbers being from 10 to 99).