- A56
- B68
- C124
- D62
Step-by-Step Solution
Old total = . New total = . Sum of two added = 242 - 180 = 62.
Answer: D) 62
Nine numbers have a mean of 20. Two more numbers are added and the new mean of all 11 numbers becomes 22.
Find the sum of the two added numbers.
Class 9Measures of Central TendencyStatistics and Probability
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