Question

which is the largest black hole​

Answer 1

I THINK IT IS THE ONE WHICH IS IN OUR MILKY WAY GALAXY NEAR TO THE CENTRE OF THE GALAXY

Answer 2

<Shahzeb> here is your anxswer,

                           

Monster Black Hole Is the Largest and Brightest Ever Found. An artist's illustration of a monster supermassive black hole at the heart of a quasar in the distant universe. Scientists say the newfound black hole SDSS J010013.02+280225.8 is the largest and brightest ever found.

                                 

Hope it helps................................