Flasks with water, comparing Pressure

[discowisco]

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If there are 3 flasks (with different size openings) each filled with the same liquid and volume, how would the pressure in the 3 flasks compare?

I know that pressure is F/A, so would the opening of each flask make a difference?

Also how would hydrostatic pressure of the 3 flasks compare?

 

[monkeyvokes]

Could always be mistake but I'm not sure if the shape of the opening would play a huge role in pressure. Is this part of a question from a problem set?
The pressure at the top of the fluid would be atmospheric pressure (1atm or 101kpascal). The pressure at any depth with fluid above it would be equal to fluid density x depth x gravity. I believe this is the hydrostatic pressure, if not hopefully someone else comments..