Reordering letters of a word. Permutation problem solving question.
This sample GMAT Math question is a 600 level combinatorics problem solving question. The concept tested is to find the number of ways the letters of word can be rearranged after factoring in constraints that a certain type of letters should be grouped together. An elementary permutation question on rearragements and reordering objects.
Chapters:
00:15 - Decoding the question
00:26 - Solution
Question:
In how many ways can the letters of the word ABACUS be rearranged such that the vowels always appear together?
A. 6!/2!
B. 3! × 3!
C. 4!/2!
D. (4! × 3!)/2!
E. (3! × 3!)/2!
Wizako's Live Online Classes for GMAT Quant and Verbal - Everything a Physical Classroom offers and more! Details @ wzko.in/live
Free GMAT verbal and GMAT quant practice questions @ practice-questions.wizako.com...
Follow us on: t.me/wizako for all the latest updates on GMAT and GMAT prep
Schedule a free GMAT demo class right away: wzko.in/demo
Sign up for the most comprehensive and affordable online GMAT course @ wzko.in/online
Subscribe to our KZitem channel for more GMAT practice questions, GMAT Prep Strategy, and updates @ / wizako
Got 10 minutes? Get going with your GMAT prep. Take the FREE 10-minute GMAT sprint tests at wzko.in/ft
Follow us on Instagram @ / wizakogmat for regular GMAT updates!!
About Wizako: Wizako is an IIM alumni venture that conducts online live classes for the GMAT and offers the most comprehensive and affordable GMAT Online courses. The GMAT online live classes and pre recorded GMAT Online courses have been designed and delivered by IIM alumnus and US Top 20 business school alumna. Schedule a demo today to get a first hand experience of our teaching methodology.
About me: A mechanical engineer from College of Engineering, Guindy, did my postgraduate study in management from IIM Calcutta. I have been a GMAT tutor since 2003. I have scored 51 in the quantitative reasoning section of the GMAT.
#GMATQuant #permutation #combination #permutation_combination #combinatorics #GMATMathsQuestions #gmatmath #problemsolving #GMATOnlineCourse #GMATPractice #GMATQuestions #gmat #wizako #ksbaskar
Негізгі бет Permutation Combination 01 | Rearranging Letters | GMAT 600 Level Sample Question
Пікірлер: 5