Mathematics · Averages
The average of 10 data values is 59.5. In this, the average of the first 3 data values is 56 and the next 4 data values is 66. If the 8th data value is 12 less than the 9th data value and also 7 less than the 10th data value, then find the eighth data value.
- 148✓
- 246
- 352
- 450
Correct answer
48
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