Leveling without Killing

I’ve recently done some of the challenges(loot and treasure) at the start for a new character of Borderlands 1. I’m wondering if i completed both sets which grants a net worth of 56,000 XP. What level would I be at once these two Challenges are completed without Killing any bandits before Fyrestone?

According to http://borderlands.wikia.com/wiki/Experience_Points you’d be somewhere between level 11 and 12, around halfway.