What is the IUPAC name of the given compound?

Answer & explanation
Correct answer: option 3
The correct answer is option 3. N,N-Dimethylmethanamine
The compound is a tertiary amine with three methyl substituents. One of the methyl groups is considered as the parent chain with the N atom and the other two acts as substituents. These are represented by N, N- as they are the same groups and are directly attached to the nitrogen atom.