What is the electric flux for Gaussian surface A that encloses the charged particles in free space? [Given:

What is the electric flux for Gaussian surface A that encloses the charged particles in free space? [Given:

Using Gauss theorem of electrostatics, the electric flux is
Net charge enclosed by the gaussian surface A is,
Electric flux,
Asked in: AP EAMCET 2021 (20 Aug Shift 1)