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How Many Numbers Can Be Formed Using a Certain Number of Digits?

Find a smalle...

Question

Find a smallest three digit number using the digits $4, 7, 9$

A

974

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B

497

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C

479

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D

794

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Solution

The correct option is C $479$
Smallest three digit number which can be formed is if we arrange them in ascending order, i.e. $479$

Hence $479$ is the smallest three digit number.

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