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The average of 9 numbers is 50. When the largest number is removed, the average drops to 48. What was the largest?

A$60$
B$66$
C$70$
D$75$
Answer & Solution
Correct answer: B. $66$
Sum of 9 = 50 × 9 = 450. Sum of remaining 8 = 48 × 8 = 384. Largest = 450 − 384 = 66.
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