# Mystery number

A mystery number is between 800 and 920. No digits are the same. The difference of the numbers 5. What is the mystery number?

### Correct 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:

## Related math problems and questions:

- 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 that might be? - Remainders

It is given a set of numbers { 170; 244; 299; 333; 351; 391; 423; 644 }. Divide this numbers by number 66 and determine set of remainders. As result write sum of this remainders. - Television

When we add to the difference between the numbers 1704 and 654 the difference numbers 14920 and 14042, we get a year in which television was invented. How many years people known the TV? - Chocolate

How many times do we have to break a chocolate bar composed of 10 × 12 pieces to get the 120 parts? - I think number

I think number.When I add 841 to it and subtract 157, I get a number that is 22 greater than 996. What number I thinking? - Identity

123456789 = 100 Use only three plus or minus characters to correct previous identity/equation. - By six

From the digits 1,2,3,4 we create the long integer number 123412341234. .. .. , which will have 962 digits. Is this number divisible by 6? - Sum of the digits

How many are two-digit natural numbers that have the sum of the digits 9? - Pension or fraud

Imagine that your entire working life working honestly and pay taxes and to Social Insurance (in Slovakia). You have a gross wage 900 Euros, you pay social insurance (you and your employer) monthly € 288 during 41 years and your retirement is 405 Eur - The difference 2

The difference between the two numbers is 25. The smaller number is 1/6th of the larger number. What is the value of the smaller number? - Number unknown

Adela thought the two-digit number, she added it to its ten times and got 407. What number does she think? - Hello adding

Fill letters instead of digits so the indicated sum (equal letters represent equal digits). What number is hidden under the letter J? A A H A H O A H O J -------------------------- 4 3 2 1 - Truck

The truck passed 4550 km in 5 days. The first three days passed every day the same way. The fourth day passed 630 km and the fifth day was 920 km. How many km has passed the first three days? - The Hotel

The Holiday Hotel has the same number of rooms on each floor. Rooms are numbered with natural numerals sequentially from the first floor, no number is omitted, and each room has a different number. Three tourists arrived at the hotel. The first one was in - Digits

Write the smallest and largest 2-digit natural number. - Mistake

Nicol mistake when calculate in school. Instead of add number 20 subtract it. What is the difference between the result and the right result? - Alarm clock

The old watchmaker has a unique digital alarm in its collection that rings whenever the sum of digits of the alarm is equal to 21. Find out when the alarm clock will ring. What is their number? List all options . ..