. CAT Previous Year Paper - CAT Logarithm Questions, 2IIM CAT 2023 CAT Coaching in Chennai, Best CAT coaching in Chennai | 2IIM CAT Online Preparation

# CAT 2018 Question Paper | Quants Slot 2

###### CAT Previous Year Paper | CAT Logarithm Questions | Question 34

This is a question from the topic of Logarithms, which got rolled out in CAT 2018 Question Paper. This topic is heavily tested in the CAT Exam. For the past few years, there have been at least 2 questions from this topic in the CAT Question Paper. Every CAT Exam aspirant's CAT Online Preparation is incomplete without mastering this topic. We suggest you to solve CAT Previous Year Paper to ace this topic. Try one right here!

Question 34 : $$frac{1}{log_2 100}$ - $\frac{1}{log_4 100}$ + $\frac{1}{log_5 100}$ - $\frac{1}{log_{10} 100}$ + $\frac{1}{log_{20} 100}$ - $\frac{1}{log_{25} 100}$ + $\frac{1}{log_{50} 100}$ = ? 1. 0 2. $\frac{1}{2}$ 3. -4 4. 10 ## Best CAT Online Coaching Try upto 40 hours for free Learn from the best! #### 2IIM : Best Online CAT Coaching. ### Video Explanation ## Best CAT Coaching in Chennai #### CAT Coaching in Chennai - CAT 2022Limited Seats Available - Register Now! ### Explanatory Answer ##### Method of solving this CAT Question from Logarithm We know that $\frac{1}{log_a b}$ = logb a ⟹ log100 2 - log100 4 + log100 5 - log100 10 + log100 20 - log100 25 + log100 50 We also know that$- loga b) = loga ($$frac{1}{b}$) ⟹ log100$2 × $$frac{1}{4}$ × 5 × $\frac{1}{10}$ × 20 × $\frac{1}{25}$ × 50) ⟹ log100 10 = $\frac{1}{2}$ The question is "$\frac{1}{log_2 100}$ - $\frac{1}{log_4 100}$ + $\frac{1}{log_5 100}$ - $\frac{1}{log_{10} 100}$ + $\frac{1}{log_{20} 100}$ - $\frac{1}{log_{25} 100}$ + $\frac{1}{log_{50} 100}$ = ?" ##### Hence, the answer is $\frac{1}{2}$ Choice B is the correct answer ###### Prepare for CAT 2023 with 2IIM's Daily Preparation Schedule ###### Know all about CAT Exam Syllabus and what to expect in CAT ###### Best CAT Online Coaching Try upto 40 hours for free Learn from the best! ###### Already have an Account? ###### CAT Coaching in ChennaiCAT 2023 Classroom Batches Starting Now! @Gopalapuram ###### Best CAT Coaching in Chennai Introductory offer of 5000/- Attend a Demo Class ###### Best Indore IPM & Rohtak IPM CoachingSignup and sample 9 full classes for free. Register now! ##### Where is 2IIM located? 2IIM Online CAT Coaching A Fermat Education Initiative, 58/16, Indira Gandhi Street, Kaveri Rangan Nagar, Saligramam, Chennai 600 093 ##### How to reach 2IIM? Mobile:$91) 99626 48484 / 94459 38484
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