Pokémon cards - help please!

[griffter]

All, I need some help please. This is the best place I can think to ask.

Sounds stupid but is serious. My son seems to be being accused of stealing Pokémon cards from another boy and I haven't a clue whether his story stacks up! Can you tell me how many cards you get in (a) a mega evolutions booster pack, (b) a tin; how many EX cards you get in (a) and (b)? Many thanks...

Then maybe I can work out whether the numbers he's got match the number of packs he's bought...

Many thanks.

[griffter]

Thanks both.

Any idea how many EX cards on average in a booster pack?

The other kid's mum has admitted he's "naive" - I'm just not sure my son's that much of a hustler!