Sets

For students of class 9-10 (age 14-16)
Ridwan Abrar
Posts: 13
Joined: Mon Aug 05, 2013 8:01 pm

Sets

Unread post by Ridwan Abrar » Fri Jan 24, 2014 8:15 pm

If $A=\{a,b,c\}$ and $B=\{1,2,3,4\}$ then from set $A$ to set $B$ , how many different functions can be formed?

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Phlembac Adib Hasan
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Re: Sets

Unread post by Phlembac Adib Hasan » Fri Jan 24, 2014 9:49 pm

Please don't start a new topic in divisional olympiad forum. I am moving this to secondary level.

The problem can be rephrased as "How many three digit numbers can be formed using the digits from set $B$?" The answer is $4^3$.
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Ridwan Abrar
Posts: 13
Joined: Mon Aug 05, 2013 8:01 pm

Re: Sets

Unread post by Ridwan Abrar » Sun Jan 26, 2014 10:53 pm

thanks a lot

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