A bag contains balls of only four different colors. It contains all blue balls except 12, all black balls except 21, all red balls except 20, and all green balls except 19. How many balls are there in the bag in total?

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?