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NTPC Graduate Tier 1 2025 Shift-1 📅 06 May, 2025

If 260 is the mean proportion between x and 338, what is the value of x?

A
200
B
198
C
199
D
201
Result Summary
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APEDIA

NTPC Graduate Tier 1
2025 • 06 May, 2025 • Shift-1
If 260 is the mean proportion between x and 338, what is the value of x?
Correct Answer
200
Mean Proportion Formula: The mean proportion (m) between two numbers 'a' and 'b' is defined by the relation m² = a × b.Applying Values: Here, the mea......
💡 Analysis & Explanation
Mean Proportion Formula
The mean proportion (m) between two numbers 'a' and 'b' is defined by the relation m² = a × b.
Applying Values
Here, the mean proportion is 260, 'a' is x, and 'b' is 338. So, 260² = x × 338.
Mathematical Execution
Squaring 260 yields 67600. Dividing 67600 by 338 gives exactly 200.
Conclusion
The correct value for the variable x is 200.