true

K.vaishali .

4x5x6x7x8=6720.
Dislike Bookmark Share

Thiya

8!/6!2!=8*7*6!/6!*2*1 =8*7/2 =56/2 =28 answer is 28
Dislike Bookmark Share

Debojyoti Roy

Tutor

118.
Dislike Bookmark Share

Overview

Questions 26

Total Shares

44 Followers

Sarvajeet Kumar

An Experienced Trainer

8.
Dislike Bookmark Share

Sarvajeet Kumar

An Experienced Trainer

336.
Dislike Bookmark Share

Abhilash

Teacher

In mathematics, the notion of permutation relates to the act of arranging all the members of a set into some sequence or order, or if the set is already ordered, rearranging (reordering) its elements, a process called permuting.
Dislike Bookmark Share

## Top Contributors

Connect with Expert Tutors & Institutes for Permutations

Rohit Singh

Commerce Master

9*8*7=504 types number can formed by using 1 to 9 digit of 3 digit numbers without repeated number.
Dislike Bookmark Share

Sarvajeet Kumar

An Experienced Trainer

6! = 720.
Dislike Bookmark Share

Given 5 flags of different colours, how many different signals can be generated if each signal requires... read more
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? read less

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.
Dislike Bookmark Share

Debojyoti Roy

Tutor

7!/(7-6)! =7!/1! =7*6*5*4*3*2*1
Dislike Bookmark Share

UrbanPro.com helps you to connect with the best in India. Post Your Requirement today and get connected.

x

X

### Find Tutors, Trainers & Institutes near you

Post requirement and connect with the tutors in your locality

• Post a learning requirement
• Get customized responses
• Compare and select the best

### Want to learn something New?

Find best tutors, trainers & institutes near you on UrbanPro

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 25 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 6.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more