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How many numbers between 100 and 1000 have their digits adding up to 5?
16
How many numbers between 100 and 1000 have two as the units digit?
90 of them.
How many prime numbers are there whose square has 5 or 6 digits?
solution: we know that there are 25 prime numbers are between 1-100 and 168 prime numbers less than 1000. 100 x 100=10000(5 digits) 999 x 999=998001(6 digits) 1000 x 1000=1000000(7 digits) so our answer should be same as the number of prime numbers between 100 to 999. hence, 168-25=143. 143 prime numbers will be there less than 1000 whose square has 5 or 6 digits.
How many numbers are there between 0 and 1000 which have exactly one of their digits as 5?
it s 243..
How many different whole numbers between 0 and 1000 have digits whose sum is 9?
999 are whole.
How many digits in the numbers between 1000 and 1128?
123
How many digits are there between 1 and 1000?
Not couting 1 and 1000, there would be 998 numbers.
How many numbers are there between 100 and 1000 such that atleast one of their digits is 7?
252 of them.
How many numbers between 100 and 1000 have their digits adding up to 5?
16
How many prime numbers are there whose square has 5 or 6 digits?
solution: we know that there are 25 prime numbers are between 1-100 and 168 prime numbers less than 1000. 100 x 100=10000(5 digits) 999 x 999=998001(6 digits) 1000 x 1000=1000000(7 digits) so our answer should be same as the number of prime numbers between 100 to 999. hence, 168-25=143. 143 prime numbers will be there less than 1000 whose square has 5 or 6 digits.
How many numbers between 100 and 1000 have two as the units digit?
90 of them.
How many numbers are there between 0 and 1000 which have exactly one of their digits as 5?
it s 243..
How many different whole numbers between 0 and 1000 have digits whose sum is 9?
999 are whole.
How many 3 digits positive numbers and which are they?
Numbers above 99 and under 1000 are 3-digits, all 900 of them.
What units are c m?
On converting between Arabic and Roman Numbers ,we get : c as 100 and m=1000 .
What are 3 numbers between 1000 000 and 4000 000 that use six different digits?
1,234,567 2,345,678 3,456,789
How many digits are there in all numbers inclusive from 1 to 1000?
Infinitely many. The number pi , for example, is between 1 and 1000 and, since pi is a transcendental number, it contains infinitely many digits. Plus, there are all the irrational numbers - each with infinitely many digits, and all the rationals with recurring decimals - again with infinitely many digits.
