SSC CGL – Combined Graduate Level Examination · Question 61
Three numbers are such that when the average of any two is added to the third, the results are 200, 180, and 160. What is the average of the three numbers?
Show answer & explanation
Answer: (C) 90
Explanation
Adding all three: 2(a + b + c) = 540, so the sum is 270 and the average 90.