UGC NET Math Reasoning Q22

Question

Which of the following is/ are true?
A. The average of given data is less than the greatest observation and greater than the smallest observation of the given data.
B. If the observations of a given data are equal, then the average of the data may or may not be same as the observations.
C. If all the observations of a given data get increased by x, then their average is also increased by x.
D. If all the observations of a given data are divided by x, then their average may or may not change.

Choose the most appropriate answer from the options given below: