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

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

B 2

C 4

D 5

Solution

Correct Answer: Option C

(0+2+4+5+9)/5=20/5=4
S সেট হতে 4 কে সরালে গড়ের কোন পরিবর্তন হবে না