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How many integers between 1000 and 9999 inclusive does the digit 3 occur?
There are 3168 such numbers.
How many numerals between 11 and 999999 contain repeated single digits?
There are 45 integers between 11 and 999999 which consist of only one digit being repeated. There are 831430 integers that contain at least one repeated digit.
How many two-digit positive integers are there?
90
How many 5 digit integers are perfect squares?
500
How many three digit integers are exactly 17 more than a two digits integers?
17
How many triple digit numbers are there?
there are 999 - 100 + 1 = 900 positive triple digit positive integers, between 100 and 999.(e.g. there are 102 - 100 + 1 = 3 triple digit integers between 100 and 102,namely 100, 101 and 102.)multiply that by 2 to take in consideration of the negative integers,you have 1800 triple digit integers.
How many integers between 2000 and 3999 have a ones digit that is a prime number?
There are 800 such numbers.
How many integers between 1000 and 9999 inclusive does the digit 3 occur?
There are 3168 such numbers.
How many one digit integers are there?
There are 10 one digit positive integers (0 - 9) and 9 one digit negative integers (-9 to -1) making 19 in all.
How many numerals between 11 and 999999 contain repeated single digits?
There are 45 integers between 11 and 999999 which consist of only one digit being repeated. There are 831430 integers that contain at least one repeated digit.
How many 1-digit integers are there such that product of their two digit is 24?
-23
How many two-digit positive integers are there?
90
How many integers with distinct digits are there between 1000 and 9999 such that the absolute value of the difference between the first and the last digit is 1?
952 of them.
How many 7-digit phone numbers can be formed if the first digit cannot be 0 and any digit can be repeated?
7
How many positive two-digit integers is the ones digit greater than twice the tens digit?
4
How many positive integers with exactly three decimal digit positive integers between 100 and 999 inclusive divisible by 7?
Of the 729 numbers that satisfy the requirement of positive integers, 104 are divisible by 7.
How many four digit positive integers are there with thousands digit 2?
There are one thousand. Starting at 2000 and going to 2999
