Given 5 flags of different colours, how many different signals can be generated if each signal requires the use of 2 flags, one below the other?

Asked by Last Modified  

2 Answers

+2 Mathematics Permutations

Follow 0
Answer

Please enter your answer

Abhilash Sharma

Teacher for 8th-12th)

5C2 *2! = 20 Out of 5 flags choosing any two will give you a signal. Now these flags can be interchanged (suppose red on top and blue below it, now blue on top and red below it) Hence 2! for this arrangement among these two colours themselves.
Comments
Dislike Bookmark

An Experienced Trainer

20.
Comments
Dislike Bookmark

Related Questions

WHAT IS MEANING OF MOMENT OF INERTIA?
Moment of inertia is the mass property of a rigid body that determines the torque needed for a desired angular acceleration about an axis of rotation. Moment of inertia depends on the shape of the body...
Ravi Ranjan
1 0
8
3n articles can be divided in to 3 equal groups in 280 ways then n=.......
n=3
Ravi
1 0
8
how to clear KARNATAKA PUC MATHS IN ONE MONTH(old syllabus)
No way you can cover a Math syllabus in 1 Month. Yet, you can try by starting each chapter with writing down the formula. Solve Algebra then graph then theorem then tree, mapping scheme and so on. You...
Rockysourabh
0 0
5
In the left hand rule, forefinger always represents a.) voltage. b.) current. c.) magnetic field. d.) direction of force on the conductor.
Magnetic field
Kumar Upendra Akshay
Guys Hi! I hope your preparation is going well for pre-board exam. Please post any query in math, if you have!
If you are getting ready for the exam then few things are seems very important please go through it without fail: these are from NCERT book .. Exercise 5.1 (11, 13, 15, 19, 20) Exercise 5.2 (example...
Nilaish
1 0
6

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

How Do Atoms Combine to Make Compounds?
Atoms combine with each other to form various compounds. The smallest unit of a substance which can exist independently is called a molecule. So, atoms combine with each other to form molecules. These...

Prabhat Patel

0 0
0
Halegannada padagala artha

Sandhya

0 0
0
Class 11- Chemistry: Concept Of Aromaticity.
Aromaticity: A compound is said to be aromatic if it follows the following conditions: 1. The molecule is cyclic. 2. The molecule is planar. 3. The molecule is fully conjugated. 4. The molecule has...

Nidhi T.

0 0
0
Laws Of Motion
Newtons laws of motion: First law: Law of inertia: Every body continues to be in its state of rest or of uniform motion in a straight line unless compelled to change that state by an external unbalanced...

Shafeequ Rahman

0 0
0
For IIT/NEET Aspirants Class 12 Chemistry - Thermodynamics For a Cyclic Process.
In a cyclic process,the system starts and returns to the same thermodynanic state.The total internal - energy change in any cyclic process is zero. The net work involved is the enclosed area on the P...

Nidhi T.

0 0
0

Recommended Articles

Meet Sandhya R, a B.Sc tutor from Bangalore

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Meet Swati, a Hindi Tutor from Bangalore

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 >

Meet Radhe Shyam Burman, an MBA Tutor from...

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 >

Meet Raghunandan.G.H, a B. Tech Tutor from...

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 >

Find Class 12 Tuition near you
Class 12 Tuition in Delhi
Class 12 Tuition in Bangalore
Class 12 Tuition in Hyderabad
Class 12 Tuition in Chennai
Class 12 Tuition in Kolkata
Class 12 Tuition in Mumbai
Class 12 Tuition in Pune
Class 12 Tuition in Noida
Class 12 Tuition in Gurgaon
Class 12 Tuition in Lucknow
Online Tuition Class 12

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