Q11 of 38 Page 31

If (27)x = (81)y, then let us write x : y.

Formula used: - (a1) if then


(b1)


(27)x = 33x …… (i)


(81)y = 34y …… (ii)


From (i)&(ii) we get


33x = 34y


3x = 4y



According to question


x:y = 4:3


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