allery$16$ اور $25$ کے درمیان اوسط متناسب تلاش کریں۔
A$18$
B$20$
C$22$
D$24$
Answer & Solution
Correct answer: B. $20$
اوسط متناسب $= \sqrt{a \times b} = \sqrt{16 \times 25} = \sqrt{400} = 20$۔ آپشن A (18) ریاضی کا مطلب ہے $(16+25)/2 \approx 20.5$ راؤنڈ ڈاون — بند، لیکن جیومیٹرک وسط نہیں پوچھا گیا۔
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