RRB JE 2015 Paper

Question 10

If $$\log_8{x} = \frac{2}{3}$$, then the value of x is:

Solution

Given that $$\log_8{x} = \frac{2}{3}$$

=> $$ x = 8^{\frac{2}{3}}$$

=> $$ x = 2^2 $$

=> x = 4

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