The average of 11 results is 59 and that of the first 10 is 58. The 11th result is?
Given:
Average of 11 results = 59
Average of the first 10 results = 58
Formula Used:
Average =
Sum of the results = Average × Number of results
Solution:
Sum of 11 results =
Sum of first 10 results =
The 11th result is:
11th result = Sum of 11 results - Sum of first 10 results
11th result = 649 - 580 = 69
Thus, the correct option is (d) 69.
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60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishThe average of 11 results is 59 and that of the first 10 is 58. The 11th result is?
The average of 11 results is 60 and that of the first 10 is 59. The 11th result is?
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