Posted by Andrew on Sunday, June 5, 2011 at 12:26pm.
How many different threedigit numbers can be formed using the digits 1,3,5,7 and 9 if the digits may be repeated?

Probability  Reiny, Sunday, June 5, 2011 at 1:32pm
What is 5x5x5 ?

Probability  jalal, Tuesday, April 19, 2016 at 10:08pm
maths
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