Question
The average of 11 results is 50. If the average of first 6 results is 49 and that of last 6is 52, find the sixth result?
Answer: Option B
- The total of 11 results = 11 x 50 = 550
The total of first 6 results = 6 x 49 = 294
The total of last 6 results = 6 x 52 = 312
The sixth result is common to both:
Sixth result = 294 + 312 – 550 = 56
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- The total of 11 results = 11 x 50 = 550
The total of first 6 results = 6 x 49 = 294
The total of last 6 results = 6 x 52 = 312
The sixth result is common to both:
Sixth result = 294 + 312 – 550 = 56
Was this answer helpful ?
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