The attached file contains a question my brother asked me solve. But this problem might have some problem of its own. I feel like every position of the spanner is a probable one. Can someone please help.
p.s. i know the answer but avoiding giving it to avoid getting biased.
This forum is reserved for new members to introduce themselves to the rest of us at PF. It is not intended to post HW problems or ask technical questions. That's what all those other forums are for!
