The mean of 100 observations is 45. It was later found that two observations, 19 and 31, were incorrectly recorded as 91 and 13, respectively. The correct mean is:

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?