If 3 a = 27 b = 81 c and abc = 144, then the value of 12 (\frac{1}{a} + \frac{1}{2b} + \frac{1}{5c}) is:

SSC CGL 6 Mar 2020 Shift 1 Paper

Question : 64 of 100

Marks: +1, -0

If 3^a = 27^b = 81^c and abc = 144, then the value of

12 (\;{1}/{a} + \;{1}/{2b} + \;{1}/{5c})

is:

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