1.

A is a positive number and if ` a : 27/64 = 3/4 : a`, then the value of a will beA. `81/(256)`B. 9C. `9/16`D. `16/9`

Answer» Correct Answer - C
Given that ` a : 27/64 = 3/4 : a`
or, `a/((27)/(64)) = (3/4)/a " or," a^(2) = 27/64 xx 3/4`
or, ` a^(2) = 81/(256)`
or, ` a = sqrt(81/256) =sqrt((9/16)^(2)) = 9/16`.
`:. ` (c ) is correct.


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