Question
Download Solution PDFThe average of 11 results is 50. If the average of first six results is 51 and that of the last six is 59, then find the sixth result.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
The average of 11 results is 50. If the average of first six results is 51 and that of the last six is 59.
Calculation:
The sum of the 11 results = = 50 × 11 = 550
The sum of the first six results = 51 × 6 = 306
The sum of the last six results = 59 × 6 = 354
Sixth result = Sum of the first six + Sum of the last six - Sum of all 11
⇒ 306 + 354 - 550 = 660 - 550 = 110
∴ Option (1) is the correct answer.
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