The mean of 100 items is 47. It was discovered later that three items which should have been 60, 70, and 80 were wrongly read as 40, 20, and 50, respectively. The correct mean is:

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?