UPSC CDS 1 2023 Math Paper
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Question Numbers: 81-82
Consider the following data for the next two (02) items that follow :
Consider the following data for the next two (02) items that follow :
| Class | 0-30 | 30-60 | 60-90 | 90-120 |
| Frequency | 4 | 5 | 7 | 4 |
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Question : 82 of 100
Marks:
+1,
-0
If the median (P) and mode (Q) satisfy the relation 7(Q - P) = 9R, then what is the value of R?
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