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QuizMoz offers one of the Internet's largest collection of quizzes for you to tease your brain and pit your wits against the experienced QuizMoz quiz masters. Go ahead and find out what you know about yourself and the world around you. Best of luck!! Coverage : The GMAT Practice Test - Math - Logarithms has been designed to test the important concepts related to logarithms. The test covers important topics like computing log of a number and determining the value of log to the base 10 or any other number.  GMAT Practice Test - Math - Logarithms Discussion Forum 1.  Find out the value of n if Log3 81 = n. a. 2 b. 8 c. 4 d. 9 Please provide appropriate updations Ques Find out the value of n if Log<sub>3</sub> 81 = n. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 2.  Find out the value of n if Log9 6561 = n. a. 6 b. 4 c. 9 d. 5 Please provide appropriate updations Ques Find out the value of n if Log<sub>9</sub> 6561 = n. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 3.  Find out the value of n if Log2 256 = n. a. 10 b. 8 c. 5 d. 2 Please provide appropriate updations Ques Find out the value of n if Log<sub>2</sub> 256 = n. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 4.  Find out the value of n if Log6 7776 = n. a. 4 b. 7 c. 6 d. 5 Please provide appropriate updations Ques Find out the value of n if Log<sub>6</sub> 7776 = n. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 5.  Find out the value of n if Log4 64 = n. a. 3 b. 2 c. 6 d. 4 Please provide appropriate updations Ques Find out the value of n if Log<sub>4</sub> 64 = n. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 6.  Find out the value of n if Log4096 8 = n. a. 1/64 b. 1/8 c. 1/2 d. 1/4 Please provide appropriate updations Ques Find out the value of n if Log<sub>4096</sub> 8 = n. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 7.  What will be the value of x if Logx 5 = 1/5. a. 4568 b. 3125 c. 254 d. 226 Please provide appropriate updations Ques What will be the value of x if Log<sub>x</sub> 5 = 1/5. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 8.  What will be the value of x if Logx 6 = 1/3. a. 216 b. 369 c. 63 d. 36 Please provide appropriate updations Ques What will be the value of x if Log<sub>x</sub> 6 = 1/3. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 9.  What will be the value of x if Log256 x = 0.5. a. 13 b. 16 c. 35 d. 20 Please provide appropriate updations Ques What will be the value of x if Log<sub>256</sub> x = 0.5. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 10.  What will be the value of x if Log32 x = 0.6. a. 8 b. 6 c. 5 d. 10 Please provide appropriate updations Ques What will be the value of x if Log<sub>32</sub> x = 0.6. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 11.  What will be the value of x if Log256 x = 0.125. a. 9 b. 4 c. 7 d. 2 Please provide appropriate updations Ques What will be the value of x if Log<sub>256</sub> x = 0.125. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 12.  What will be the value of x if Logx (2/5) = -1/4. a. 64/25 b. 625/256 c. 1205/698 d. 568/469 Please provide appropriate updations Ques What will be the value of x if Log<sub>x</sub> (2/5) = -1/4. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 13.  What will be the value of x if Logx (3/8) = -1/5. a. 32768/243 b. 1686/3568 c. 26468/16869 d. 146868/34687 Please provide appropriate updations Ques What will be the value of x if Log<sub>x</sub> (3/8) = -1/5. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 14.  What will be the value of x if Logx (5/7) = -1/3. a. 26/556 b. 56/88 c. 343/125 d. 467/368 Please provide appropriate updations Ques What will be the value of x if Log<sub>x</sub> (5/7) = -1/3. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 15.  Evaluate the value of: log 1080. a. log 5 + log 4 + log 3 b. 2 log 2 + log 3 + log 2 c. log 2 + 3 log 5 + log 9 d. 3 log 2 + 3 log 3 + log 5 Please provide appropriate updations Ques Evaluate the value of: log 1080. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 16.  Evaluate the value of: log 240. a. log 8 + log 6 + log 5 b. log 5 + log 3 + log 2 c. 2 log 4 + 2 log 8 + log 3 d. 3 log 5 + 2 log 3 + log 2 Please provide appropriate updations Ques Evaluate the value of: log 240. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 17.  Find out the value of log10 (0.001). a. -5 b. -3 c. -2 d. -6 Please provide appropriate updations Ques Find out the value of log<sub>10</sub> (0.001). a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 18.  Evaluate the value of 2 log10 5 + 1/2 log10 4 + log10 4 - log10 2. a. 5 b. 40 c. 10 d. 2 Please provide appropriate updations Ques Evaluate the value of 2 log<sub>10</sub> 5 + 1/2 log<sub>10</sub> 4 + log<sub>10</sub> 4 - log<sub>10</sub> 2. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 19.  Evaluate the value of log2 3 log3 6 log6 64. a. 3 b. 5 c. 6 d. 9 Please provide appropriate updations Ques Evaluate the value of log<sub>2</sub> 3 log<sub>3</sub> 6 log<sub>6</sub> 64. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 20.  Evaluate the value of log3 7 log4 625 log5 4 log7 3. a. 4 b. 2 c. 8 d. 6 Please provide appropriate updations Ques Evaluate the value of log<sub>3</sub> 7 log<sub>4</sub> 625 log<sub>5</sub> 4 log<sub>7</sub> 3. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 21.  Evaluate the value of log 27, if log 81=1.9084. a.   6.819 b. 1.4311 c. 1.6588 d. 5.4688 Please provide appropriate updations Ques Evaluate the value of log 27, if log 81=1.9084. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. 22.  Evaluate the value of log10 1.25, if log10 4=0.6020 and log10 5=0.6989. a. 0.0512 b. 0.7748 c. 0.5169 d. 0.8767 Please provide appropriate updations Ques Evaluate the value of log<sub>10</sub> 1.25, if log<sub>10</sub> 4=0.6020 and log<sub>10</sub> 5=0.6989. a. b. c. d. Your Name Please describe the changes made by you Please provide appropriate updations Your Name Please comment why is this inappropriate. Think you know more about this quiz!   Please enter your Name and what you would like to tell everyone about GMAT Practice Test - Math - Logarithms  Name: Think you know more about GMAT Practice Test - Math - Logarithms and would like others to know too? Whether its a great fact, a joke, a personal experience or an interesting anecdote, please share it with all the human beings on planet earth. Your contribution will help keep QuizMoz a free site for all.    (Optional)  (average submission size - 5 to 10 lines) GMAT Practice Test - Math - Logarithms Discussion Forum Know the Latest News about GMAT Practice Test - Math - Logarithms! What others think about GMAT Practice Test - Math - Logarithms By: Andrew on Dec 3, 2009    I obviously have failed this test. I just wanted to test my knowledge on what I know so far in logs. 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