- #1

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1. How many 5 digits numbers are therE?

2. HOW MANY CONSISTOF 5 DISTINCT DIGITS?

3. hOW MANY 5 DIGIT NUMBERS CONTAIN AT LEAST ONE ODD DIGIT?

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- Thread starter tae3001
- Start date

In summary, there are 90,000 5-digit numbers between 10,000 and 99,999 inclusive, 27,216 of which consist of 5 distinct digits. Out of these, 87,500 have at least one odd digit.

- #1

- 6

- 0

1. How many 5 digits numbers are therE?

2. HOW MANY CONSISTOF 5 DISTINCT DIGITS?

3. hOW MANY 5 DIGIT NUMBERS CONTAIN AT LEAST ONE ODD DIGIT?

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- #2

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Science Advisor

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You don't need to shout.

So, what have you tried?

So, what have you tried?

- #3

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well first i did..

10,000-99,999 +1 =90000 thast question 1

I am stuck with question 2 and 3.. I want to divide by 5 or subtract.. but Iam warped//..

- #4

Science Advisor

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tae3001 said:

1. How many 5 digits numbers are therE?

2. HOW MANY CONSISTOF 5 DISTINCT DIGITS?

3. hOW MANY 5 DIGIT NUMBERS CONTAIN AT LEAST ONE ODD DIGIT?

~~

Last edited:

- #5

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89999,89998,89997 and so on?

or would I take them from 10,000 and 99,999?

- #6

Science Advisor

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tae3001 said:

89999,89998,89997 and so on?

or would I take them from 10,000 and 99,999?

Digit #1 (Leftmost) is chosen from the set {1, 2, 3, 4, 5, 6, 7, 8, 9 ⇒

Thus, Digit #1 has 9 choices, Digit #2 has 9 choices

{Total # of Numbers from 10000 to 99999 with All Distinct Digits} =

= (9)x(9)x(8)x(7)x(6) = (27216)

The numbers having

{Total # of Numbers from 10000 to 99999, inclusive, with At Least 1 Odd Digit} =

= 90000 -

~~

Last edited:

Tricky inclusive numbers are numbers that may be difficult to identify as either odd or even because they can fit into multiple patterns. For example, the number 6 can be evenly divided by 2 and 3, making it both an even and odd number.

Solving tricky inclusive numbers homework involves identifying the patterns that the given numbers fit into and using mathematical principles to determine their correct classification. It may also involve using logic and critical thinking skills to find the most appropriate solution.

One example of a tricky inclusive number is 12. It can be divided evenly by 2, 3, 4, and 6, making it both an even and odd number. However, in this case, it is more commonly classified as an even number.

To check your answers, you can use a calculator or manually divide the number by different factors to see if it results in a whole number. You can also use patterns and logic to verify your solution.

There is no specific trick to quickly identifying tricky inclusive numbers. It requires a thorough understanding of mathematical principles and good problem-solving skills. However, practicing with different examples can help improve your ability to identify these numbers more efficiently.

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