Proving G is Solvable or Finding a Counter-Example

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Homework Statement


Suppose G has a solvable maximal normal subgroup. Either prove G is solvable, or give a counter-example.


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The Attempt at a Solution


We have that G/H is simple, not necessarily abelian, so my guess is there could be a counter-example. However, I'm not sure what it is.
I know the symmetric group S_5 is not solvable and it has the unique proper normal subgroup A_5, but A_5 is not solvable, so this doesn't work as a counter.
Moreover, the quaternion group, dihedral groups are solvable too. Any help please?
My exam is tomorrow... Thanks for the help!
 
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