2014
27
214
36
Correct answer is D
x α√y
x = k√y
81 = k√9
k = 813
= 27
therefore, x = 27√y
y = 179 = 169
x = 27 x √169
= 27 x 43
dividing 27 by 3
= 9 x 4
= 36
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