3n articles can be divided in to 3 equal groups in 280 ways then n=.......

Asked by Last Modified  

Follow 2
Answer

Please enter your answer

Maths Tutor

n=3
Comments

Application for the post of senior faculty ( mathematics) to teach jee

3
Comments

Tutor

14
Comments

Mathematics Expert for CBSE NTSE NSO IIT-JEE preparation

3 equal group means each article is having n articles So total ways is 3n!/(((n!)^3)*3!) (3! in denominator is for equal groups.) This is given to be 280. Just solve it to get n=3
Comments

14
Comments

JU-IITKGP & 10+ years experienced for boards, JEE,NEET,OLYMPIAD & 5-12

n=3
Comments

B.Tech (Electronics and Communication), JRF (Raman Research Institute)

14
Comments

Physics and Spoken English coach

Are some of these articles identical?
Comments

View 6 more Answers

Related Lessons

Ways to Learn Faster, Deeper, and Better Health
Shake a leg. Lack of blood flow is a common reason for lack of concentration. If you’ve been sitting in one place for awhile, bounce one of your legs for a minute or two. It gets your blood flowing...

Rational Numbers
A number of the form p/q where q not equals to zero is called a rational numbers. P may be zero or may not. P and q are positive /negative integers. It denotes the part of a quantity...
M

Mohit S.

1 0
0


Class 12 Organic Chemistry - Assigning R And S Configurations.
Configuration is the relative position of the atoms in amolecule that can be arranged / changed exclusively by cleaving and forming new chemical bonds. Steps to assign configurations: Follow the direction...

OAA
I suggest a writing tip called OAA which means Observe Analyse and Apply. one will find it easy to answer any question if you follow this trip

Recommended Articles

Swati is a renowned Hindi tutor with 7 years of experience in teaching. She conducts classes for various students ranging from class 6- class 12 and also BA students. Having pursued her education at Madras University where she did her Masters in Hindi, Swati knows her way around students. She believes that each student...

Read full article >

Raghunandan is a passionate teacher with a decade of teaching experience. Being a skilled trainer with extensive knowledge, he provides high-quality BTech, Class 10 and Class 12 tuition classes. His methods of teaching with real-time examples makes difficult topics simple to understand. He explains every concept in-detail...

Read full article >

Radhe Shyam is a highly skilled accounts and finance trainer with 8 years of experience in teaching. Accounting is challenging for many students and that’s where Radhe Shyam’s expertise comes into play. He helps his students not only in understanding the subject but also advises them on how to overcome the fear of accounts...

Read full article >

Urmila is a passionate teacher with over 8 years of experience in teaching. She is currently pursuing her Ph. D. She provides classes for Class 11, Class 12, MBBS and Medical tuition.  Urmila began her career in teaching long before she became a teacher. She used to provide classes for foreign national students in her college...

Read full article >

Looking for Class 12 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you