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The average of 25 results is 18. The average of first twelve of them is 14 and that of last twelve is 17. Find the thirteenth result -
5Q:
The average of 25 results is 18. The average of first twelve of them is 14 and that of last twelve is 17. Find the thirteenth result -
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Answer : 1. "78 "
Similar Questions
Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.
