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Quantitative Aptitude
Arithmetic
Logarithms
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What is the value of log base 8 of 1/4096?
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-5
-2
-3
-4
Solution:
Step 1: Recall the logarithm formula: logb(x) = y, if b^y = x Step 2: Given log8(1/4096), let's express 1/4096 in terms of 8: 4096 = 8^4, so 1/4096 = 1/8^4 = 8^(-4) Step 3: Therefore, log8(1/4096) = log8(8^(-4)) = -4
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