Which of the following numbers can be removed from the set S = {0, 2, 4, 5, 9} without changing the average of the set?

Which of the following numbers can be removed from the set S = {0, 2, 4, 5, 9} without changing the average of the set?

B 4

C 5

D 9

Solution

Correct Answer: Option B

এখানে, গড় = (0 + 2 + 4 + 5 + 9) / 5 = 20/5 = 4

∴ সংখ্যাগুলো হতে 4 কে অপসারণ করলেও গড় 4 ই হবে।