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look i'll explain chill rehne ka.i dont gt the second time one!
so u understood 1st time, right?
First, it says that without replacement. so after 1st time u have taken out a pencil u will keep it out. This only 8 will be left in. Now it also says "exactly" one should be green! not both of them. so second time when u put ur hand in u want any pencil other than green to come because u want green in afterwards. so without green only 5 will be left. so 5/9. now u have taken a pencil out, not green. so in total the pencils will decrease by one but the green will stay 4. so 4/8
upar se guzar gya?