Home » Question » Arithmetic Ability » Average » The average of 11 results is 60 If the average of…

The average of 11 results is 60 If the average of…

September 6, 2022 by Prabhat

Are you looking for correct answer of The average of 11 results is 60 If the average of…? Here we have shared detailed answer with explanations.

The average of 11 results is 60. If the average of first six results is 58 and that of last six is 63, find the 6th result-

A. 66
B. 55
C. 64
D. 68

Answer: Option A

Here is complete explanation of The average of 11 results is 60 If the average of….

Solution(By ExamCraze Team)

The average of 11 results = 60
The total of 11 results = 60 × 11 = 660
Average of first six results = 58
Average of last six results = 63
Total of first six results = 58 × 6 = 348
Total of last six results = 63 × 6 = 378
∴ Sixth result = Total of first and last sixth results = Total of 11 results
= (348 + 378) - 660
= 726 - 660
= 66