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How many 3-digit numbers can be formed f...

How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 and 5 assuming that
 (i) repetition of the digits is allowed?
(ii) repetition of the digits is not allowed?

Text Solution

Verified by Experts

The correct Answer is:
(i) 125, (ii) 60.
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