Who among these had the longest tenure as the Viceroy of India?

Who among the following was the only Jewish Viceroy of India?

Who of the following was the first Viceroy of India?

Which of these was done during Lord Curzon tenure as viceroy?

Who was the Viceroy of India at the time of Gandhiji's Dandi march ?

Who was the viceroy of India when Quit India movement started?