Take FREE!! Online Mettl Mock Test to Crack TechM and Other Companies Written Exams.
Get Off-Campus Placement Jobs Info !!!
Practice Tech Mahindra Essay Topics

# Permutation and Combination Questions

NA
SHSTTON
9
Solv. Corr.
5
Solv. In. Corr.
14
Attempted
0 M:0 S
Avg. Time

51 / 87

Choose the correct option.

All even numbers from 2 to 98 inclusive, except those ending 0, are multiplied together. What is the rightmost digit (the units digit) of the product?

A6

B2

C0

D4

Explanation:

2^10 * 4^10 * 6^10*8^10 = 2^70 * 3^10
2^2 * 3^2 = 36
So, the right most digit = 6

Workspace

NA
SHSTTON
7
Solv. Corr.
4
Solv. In. Corr.
11
Attempted
0 M:0 S
Avg. Time

52 / 87

Choose the correct option.

There is a 7-digit telephone number with all different digits. If the digit at extreme right and extreme left are 5 and 6 respectively, find how many such telephone numbers are possible?

A120

B30240

C6720

DNone of these

Explanation:

If the digit at extreme right and extreme left are 5 and 6 respectively.
So, the 7 digit number is : 6 _ _ _ _ _ 5
Since repetition of digits are not allowed the second digit can be chosen from (0,1,2,3,4,7,8,9) 8 of the remaining digits.
5 spaces are left, hence 8P5=6720

Workspace

NA
SHSTTON
3
Solv. Corr.
3
Solv. In. Corr.
6
Attempted
0 M:0 S
Avg. Time

53 / 87

Choose the correct option.

In how may ways can 'mn' things be distributed equally among n groups

AmnPm * mnPn

BmnCm * mnCn

CmnCn

D(mn)! / (m!)^n * n!

Explanation:

mn into n groups
= (mn)! / (m! m! ....n times * n!(n groups are similar))
= (mn)! / (m!)^n * n!

Workspace

NA
SHSTTON
17
Solv. Corr.
9
Solv. In. Corr.
26
Attempted
0 M:0 S
Avg. Time

54 / 87

Choose the correct option.

There are 20 persons sitting in a circle. In that there are 18 men and 2 sisters. How many arrangements are possible in which the two sisters are always separated by a man?

A18!x2

B17!

C17x2!

D12

Explanation:

Let the first sister name is A. Now she can sit any where in the 20 places (Symmetrical). Now her sister B can sit to her left or right in 2 ways. Now the remaining 18 persons can be sit in 18 places in 18! ways. Total = 18! * 2

Workspace

NA
SHSTTON
10
Solv. Corr.
9
Solv. In. Corr.
19
Attempted
0 M:0 S
Avg. Time

55 / 87

Choose the correct option.

In how many ways a team of 11 must be selected a team 5 men and 11 women such that the team must comprise of not more than 3 men.

A1565

B2256

C2456

D1243

Explanation:

5 men and 11 women and not more than 3 men
1st way= 1men and 10 women= 5C1 * 11C10
2nd way= 2 men and 9 women=5C2 *11C9
3rd way= 3 men and 8 women= 5C3* 11C8
4th way= 0 men and 11 women=5C0* 11C11

Workspace

NA
SHSTTON
3
Solv. Corr.
8
Solv. In. Corr.
11
Attempted
0 M:0 S
Avg. Time

56 / 87

Choose the correct option.

There are ten points marked on a straight line, and another 11 points marked on a line parallel to this one. How many triangles could be formed using these points ?

A495

B550

C1045

D2475

Explanation:

10C2 * 11C1 + 10C1 * 11C2

Workspace

NA
SHSTTON
6
Solv. Corr.
8
Solv. In. Corr.
14
Attempted
0 M:0 S
Avg. Time

57 / 87

Choose the correct option.

A manufacturer of chocolates makes 6 different flavors of chocolates. The chocolates are sold in boxes of 10.
How many "different" boxes of chocolates can be made?

A2003

B3003

C1231

D3013

Explanation:

If n similar articles are to be distributed to r persons, x1+x2+x3......xr=n each person is eligible to take any number of articles then the total ways are n+r?1Cr?1
In this case x1+x2+x3......x6=10

In such a case the formula for non negative integral solutions is n+r?1Cr?1 Here n = 6 and r = 10. So total ways are 10+6?1C6?1 = 3003

Workspace

NA
SHSTTON
3
Solv. Corr.
5
Solv. In. Corr.
8
Attempted
0 M:0 S
Avg. Time

58 / 87

Choose the correct option.

Seven different objects must be divided among three persons. In how many ways this can be done if at least one of them gets exactly one object.

A186

B190

C120

D196

Explanation:

Division of m+n+p objects into three groups is given by (m+n+p)!m!*n!*p! But 7 = 1 + 3 + 3 or 1 + 2 + 4 or 1 + 1 + 5

So The number of ways are (7)!1!*3!*3!*12! + (7)!1!*2!*4! + (7)!1!*1!*5!*12! = 70 + 105 + 21 = 196

Workspace

NA
SHSTTON
10
Solv. Corr.
5
Solv. In. Corr.
15
Attempted
0 M:0 S
Avg. Time

59 / 87

Choose the correct option.

The crew of a rowing team of 8 members is to be chosen from 12 men (M1, M2,...., M12) and 8 women (W1, W2,..., W8), such that there are two rows, each row occupying one the two sides of the boat and that each side must have 4 members including at least one women. Further it is also known W1 and M7 must be selected for one of its sides while M2, M3 and M10 must be selected for other side. What is the number of ways in which rowing team can be arranged.

A2*7*14C2*4!

B2*7*4!*14C2*4!

C7*14C2

DNone of these

Explanation:

We need two person for one side and 1 women for the another side. We select that women in 7 ways. Now that second side people can sit in 7*4! ways.

Now for the first side we need two people from the remaining 14. So this can be done in 14C2 ways and this side people can sit in 4C2*4! ways.

Again the first group may take any of the two sides. So total ways are 2*7*4!*14C2*4!

Workspace

NA
SHSTTON
6
Solv. Corr.
6
Solv. In. Corr.
12
Attempted
0 M:0 S
Avg. Time

60 / 87

Choose the correct option.

Mr and Mrs smith had invited 9 of their friend and their spouses for party at wiki beachresort.the stand for group photograph if mr smith never stand next to mrs smith then how many way group arrange in row.

A20!

B19!+18!

C18*19!

D2*19!

Explanation:

Mr and Mrs smith never be together so out of 20 (with both them) 19 can b any place so total = 19!
20 because their invitees are with their spouses.
Also 1 of them can stand with other so 18 places
So total is 18*19!

Workspace

## Quantitative Aptitude Permutation and Combination Questions and Answers pdf

At Quantitative Aptitude topic Permutation and Combination, you will get multiple online quiz difficulty wise, which will have a total of 6 quizzes, categorized as easy, medium, and moderate level. While preparing for any Permutation and Combination, take all the list quiz and check your preparation level for that topic. Each quiz have 10 different question, which needs to be answered in 20 min., all the listed quiz here is free, however, you will get only one chance for each quiz to attempt(Take Quiz seriously), so it is always recommended to take one quiz in each section before you start solving Permutation and Combination MCQs practice question, and one after solving all the question of the respective level, you can refer back your Permutation and Combination quiz result any time or you can download it as pdf for reference.

## Quantitative Aptitude Permutation and Combination Customize Online Mock Test

This is own type of mock test, where At this Quantitative Aptitude Permutation and Combination MCQs mock test section, you will able to attempt only the questions related to Permutation and Combination, in that question will be a different level, important, and all the questions will be part of some of the mock tests across Q4interview FREE Mock test. You need to choose the topic as Permutation and Combination, and click on Double click to generate your customize mock test. While attempting the mock test you need to choose any of the one options out of given option. It is recommended to go through the direction given along with each question, as these questions will be randomly and so that same direction will not be applicable across the entire test. Once you submit your mock test, the result will be generated for Permutation and Combination Customize mock test, where your performance point points will be highlighted. Q4interview analysis every single point which helps you to improve your topic understanding and help you to know your type of mistakes and way to improve Permutation and Combination questions, by providing the same type of practice questions from practice exercise. The best part of this Permutation and Combination, all these mock tests listed here are free and you can take as Many time, as many you want. When you continue to give Permutation and Combination Customize Online Mock Test here regularly, then you will understand how much you have developed your accuracy on a topic, after that you will be able to decide how much attention you need to focus on. Your continued practice will increase your confidence, speed and thinking ability intensely, the Permutation and Combination Customize topic on which you will practice more will beneficial for you in future during campus placement.

## Quantitative Aptitude Permutation and Combination Quiz Online Test

The details of the Quantitative Aptitude Permutation and Combination quiz are as follows. There are 10 questions for you. You have to answer them in 20 minutes. Within 20 minutes you have to see the errors in the sentences given as a question. Four options are also given to you, and you have to choose your opinion. You must be confident in your answer that the choices are difficult. Therefore, below we provide you with some information about Quantitative Aptitude Permutation and Combination that you see and keep them in mind while answering questions.

## Quantitative Aptitude Permutation and Combination MCQs Practice Questions with Answer

On this Permutation and Combination section of page you will find the easiest quickest ways to solve a question, formulas, shortcuts and tips and tricks to solve various easiest methods to solve Permutation and Combination Question Quickly. It contains all the Quantitative Aptitude topic Permutation and Combination questions which are common in any of the preliminary exams of any company. The solution is provided along with the questions. The practice of these questions is a must as they are easy as well as scoring and asked in all the exams They will confirm the selection if all the questions attempted wisely with little practice. It is recommanded to Take Mock test based on Quantitative Aptitude topic and Permutation and Combination topic based quiz.

## Quantitative Aptitude Permutation and Combination solved examples question

You can get here fully solved Permutation and Combination examples with a detailed answer and description. You can solve Permutation and Combination problems with solutions, the questions by companies wise by filtering the questions, additionally, you can check what type of questions are being asked in IT companies Written Round from Permutation and Combination. Permutation and Combination became one of the most important sections in the entire competitive exams, Companies Campus, and entrance online test. Go through Permutation and Combination Examples, Permutation and Combination sample questions. You can Evaluate your level of preparation in Permutation and Combination by Taking the Q4Interivew Permutation and Combination Online Mock Test based on most important questions. All the Permutation and Combination practice questions given here along with answers and explanations are absolutely free, you can take any number of time any mock Test.

## Why Quantitative Aptitude Permutation and Combination?

In this practice section, you can practice Quantitative Aptitude Questions based on "Permutation and Combination" and improve your skills in order to face the interview, competitive examination, IT companies Written exam, and various other entrance tests (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

## Where can I get Quantitative Aptitude Permutation and Combination questions and answers with explanation?

Q4Interview provides you lots of fully solved Quantitative Aptitude (Permutation and Combination) questions and answers with Explanation. Solved examples with detailed answer description, explanation are given and it would be easy to understand. You can download Quantitative Aptitude Permutation and Combination quiz questions with answers as PDF files and eBooks.

## Where can I get Quantitative Aptitude Permutation and Combination Interview Questions and Answers (objective type, multiple-choice, quiz, solved examples)?

Here you can find objective type Quantitative Aptitude Permutation and Combination questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided.