Aptitude : : Logarithms Questions & Answers
- Find logb a x logc b x loga c
A. 1
B. 5
C. 0
D. -1
- If log(64) = 1.806, log(16) = ?
A. 0.903
B. 1.806
C. 1.908
D. 1.204
- If $ \log \left(\dfrac{\text{a}}{\text{b}}\right) + \log\left (\dfrac{\text{b}}{\text{a}}\right)$ = $ \log(\text{a}+\text{b}) $, then
A. a + b = 1
B. a = b
C. a - b = 1
D. a2 + b2 = 1
- $ \dfrac{1}{\log_{2}{48}} + \dfrac{1}{\log_{4}{48}} + \dfrac{1}{\log_{6}{48}} $ = ?
A. -1
B. 1
C. 0
D. 2
- If logx$\left(\dfrac{9}{4}\right)$ = $\dfrac{-1}{2}$, then find the value of x?
A. $ \dfrac{16}{81}$
B. $ \dfrac{16}{9}$
C. $ \dfrac{81}{16}$
D. $ \dfrac{9}{16}$