Mystery number
A mystery number is between 800 and 920. No digits are the same. The difference between the numbers is 5. What is the mystery number?
Your answer:
Your answer:
Showing 1 comment:
Dr Math
The difference of the number is 5 - we calculate difference between digits is 5....
You need to know the following knowledge to solve this word math problem:
basic operations and conceptsnumbersGrade of the word problem
Related math problems and questions:
- The mystery number
Find the number that is 10,000 less than 632,724.925 - Four-digit number
George is thinking of a four-digit number and gives us the following clues: a) Its digit sum equals one hundredth of the number obtained by rounding the mystery number to the nearest hundred. b) Its last digit is 1 more than the second-to-last digit. c) T - No. 215
From the number 215, we can create a four-digit number that, among its numbers, manually type any other digit. Thus, we created two four-digit numbers whose difference is 120. What two four-digit numbers might that be? - Three digits number
How many are three-digit integers such that they have no digit repeats? - Unknown number 16
My number's tens are three times more than the ones. My number's ones are twice the number of thousands, and my number's hundreds are half the number of tens. I have two ones. Which number am I? - Digit number difference
The digits 1, 2, 4, and 8 form two four-digit numbers so that all 4 digits are used in the notation of each number. Calculate the difference between such largest even number and smallest odd number (in that order). - Natural number digits
There is no 0 in the decimal notation in natural numbers; there are even numbers or odd numbers, each at least once. Find the number of all k-digit natural numbers.
