Nincada learns dig at level 45.
At level 40 it will want to learn dig
Dig is a TM, so you can teach it to it at any level.
Sand-slash learns dig at level 35 because i have one and it learned dig but you can teach him the TM dig too. Hope i helped ummm mine is level 35 and hasn't learned dig yet you sure its 35? he does not learn dig at lv.35
Yes, by level up and TM. Nincada learns Dig at level 45.
Groudon can learn TM28- Dig.
Ninjask can be taught TM28- Dig.
Trapinch learns Dig at level 29 in X and Y. In Omega Ruby and Alpha Sapphire, it can learn Dig as early as level 19.
Camerupt can learn Dig by using the TM Dig. It cannot learn Dig by leveling up.
Sandslash learns Dig at level 30 in Pokemon X and Y. In Pokemon Omega Ruby and Alpha Sapphire, it can learn Dig at level 33.
Makuhita only learns Dig by TM
Invert Level is the bottom of the pipe, reduced level is the middle of the pipe.