Forums → Games → I am a noob. Just started Runescape a few days ago. Question

Hey thanks to anyone who responds. I have a quest (but im too weak to do it lol) so is it possible that I could finish it another time? What i'm trying to say is can i start another quest even though I didn't finish my previous one? (ADD-ON) In the quest that I'm doing i'm nearly done with it-- just ahve to complete the boss level
EDIT: Any tips for a starter like me?? (Another question i have is: Melee, Ranged, Magic? Or all three)