1.

Third proportional of 8 and 12 isA. 12B. 16C. 18D. 20

Answer» Correct Answer - C
Let the third proportional = x.
` :. 8, 12` and x are in continued proportion.
` :. 8/12 = 12/x " or," 8x = 12 xx 12 " or, " x = (12 xx 12)/8 " or, " x = 18`.
`:. `(c ) is correct.


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