In which of the following interference is possible?

The correct answer is Option (3) → Both light and sound waves

Interference follows from the principle of superposition: where two waves overlap, the resultant disturbance is the sum of the individual ones. This holds for every kind of wave, transverse or longitudinal, mechanical or electromagnetic.

Sound waves interfere (beats, and loud and quiet points in front of two speakers), and light waves interfere (Young's double-slit fringes, colours of thin films). So interference is possible in both light and sound waves.