What is the average of the numbers: 2, 5, 0, 10, 10, 12, 8 and 9? (A) 6(B) 7(C) 8(D) 9 The answer is: (B) 7
Average of 10 values is 200 Sum of nine of them is 1850. Find 10th value. (A) 150(B) 200(C) 300(D) 350 The answer is: (A) 150