Question 835860
I am a number greater than 40.  When I am halved the answer is double 12.<pre>Double 12 is 24.  So read it this way:

When I am halved the answer is 24.

The only number which when halved gives 24 is 48.</pre>I am a number greater than 40.<pre>Indeed, 48 is greater than 40.  So 48 is the answer.

Edwin</pre>