Ten of them.
70
3
There are 19 integers between 1 and 100 containing a 5.
That would be the numbers in the form "32x" (where "x" can be any digit). In other words, ten numbers.
Numbers, listed in 5s and 10s, between 40 and 60 but including both numbers are:4045505560Numbers, listed in 5s and 10s, between 40 and 60 but excluding both numbers are:455055
70
20
3
10 (50,51,52,53,54,55,56,57,58,59)
Five
There are 19 integers between 1 and 100 containing a 5.
40 integers (whole numbers), an infinite number of decimal numbers.
That would be the numbers in the form "32x" (where "x" can be any digit). In other words, ten numbers.
An infinite number.
530
How many two digit numbers are there in which the tens digit is greater than the oneβs digit ?
there is 3 tens and 4 ones in the following number 34