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Solution

✅ Correct Option: 4

Dividing the terms: ar9ar5=r4=3072192=16\frac{ar^9}{ar^5} = r^4 = \frac{3072}{192} = 16, so r=2r = 2.

From ar5=192ar^5 = 192: 32a=19232a = 192, giving a=6a = 6.

Third term =ar2=6×4=24= ar^2 = 6 \times 4 = 24.

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