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How many two digit prime numbers are there between 1-100 such that they have digit 7 in their units place?
There are 5 of them.
How many 4 digit numbers can be formed using 0 1 2 3 5 7 how many contain 2 in units place?
Without repetition, 300. Of these 48 will have a 2 in the units place.
How many times does the digit 1 occur in tens place in the numbers from 100 to 1000?
That looks like it should be the same as 10 times (the number of times the digit 1 occursin the units place in the numbers from 10 to 100), which would work out to 90 .
How many numbers between 100 and 1000 have two as the units digit?
90 of them.
How many composite numbers up to 100 have 1 in their units digit?
There are four of them.
How many two digit prime numbers are there between 1-100 such that they have digit 7 in their units place?
There are 5 of them.
How many 4 digit numbers can be formed using 0 1 2 3 5 7 how many contain 2 in units place?
Without repetition, 300. Of these 48 will have a 2 in the units place.
How many two digit prime numbers have a units digit of 7 and what are the prime numbers?
17, 37, 47, 67, 97
How many times does the digit 1 occur in tens place in the numbers from 100 to 1000?
That looks like it should be the same as 10 times (the number of times the digit 1 occursin the units place in the numbers from 10 to 100), which would work out to 90 .
How many numbers between 100 and 1000 have two as the units digit?
90 of them.
How many composite numbers up to 100 have 1 in their units digit?
There are four of them.
How many numbers between 1 and 99 have the number two in it?
To find how many numbers between 1 and 99 contain the digit '2', we can analyze both the tens and units places. In the tens place, the numbers are 20-29, giving us 10 occurrences. For the units place, the numbers with '2' are 2, 12, 22, 32, 42, 52, 62, 72, 82, and 92, totaling 10 occurrences. Therefore, the total count of numbers between 1 and 99 that contain the digit '2' is 19 (10 from the tens place and 9 additional from the units place, excluding 22 which was counted twice).
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 times does the digit 1 occur in ten place in the numbers from 1 to 1000?
How many times does the digit 1 occur in ten place in the numbers from 1 to 1000?
How many three digit numbers are there with zero at tens place?
there are no 3 digit tis two digit! :) * * * * * 90 of them.
How many times does the digit 9 occur between 100 and 1000?
The digit 9 occurs 271 times between 100 and 1000. It appears in three places: the hundreds, the tens, and the units. In the hundreds place, 9 only appears in the numbers from 900 to 999, contributing 100 occurrences. In the tens and units places, each contributes 90 occurrences (from 190-199 and 90 numbers in the units place across each hundred), resulting in a total of 271 appearances of the digit 9.
How many times will the 5 digit be used in numbering the pages of a 145-page book?
Assume that the pages are numbered 1-145 in order and we don't have any other page numbering system.In every ten pages the digit 5 will appear in the units column once,e.g. 5, 15, 25, 35, 45 etc.That makes 15 fives.In the 50's the digit 5 will also appear in the tens columne.g. 50,51,52,53,54,55,56,57,58,59That makes another 10 fives.Don't worry about page 55, remember we counted the unit's digit 5 first then the ten's digit 5.The book is too short to have digit 5 in the hundreds column.So the digit 5 appears 25 times in the numbering of a 145-page book. == Answer== From 1 to 145, we have 9 one-digit numbers and 100 two-digit numbers and 46 three-digit numbersIn one-digit numbers we have only one chance to have 5.In two-digit numbers we can have 5 in the units place, in the tens place or the both.If we have 5 in the units place, then we can fill up the tens place by the numbers from 1 to 9. So, we get 9 chances.If we have 5 in the hundreds place, then we can fill up the units place by the numbers from 0 to 9. So, we get 10 chances.In three digit numbers, we can’t have 5 in hundreds place and tens place because we have 145 pages in all. So, we can have 5 in units-place only.The hundreds place cannot be filled with any other number except 1.So, we can fill the tens place by the numbers from 0 to 4 only. So, we get 5 chances.In total, 25 times we come across 5. Source: www.icoachmath.com
