Question 1191842
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If no repetition is not allowed then how many numbers between 2000 and 3000 
can be formed using the digits from 0 to 7?
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This fragment


<pre>
    "If no repetition is not allowed . . . "
</pre>

is not a proper English and may perplex any reader.



Find more appropriate form and re-post to the forum after correction.



Please do not post it to me personally.