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## How to Find Your Flight Confirmation Number

A confirmation number is a combination of numbers and letters you receive when you book a flight. You need this number if you want to change your itinerary, have questions about your reservation or need to check in. There are several ways to find this booking confirmation number.

## Airline Customer Service

Most airlines have a customer portal on their websites where you can see your upcoming and previous reservations, check the status of your rewards account book and check in for your flight. If you look at your upcoming reservation, you should find your confirmation number listed there. You also can call the airline and speak to a representative about your reservation. The agent can locate your confirmation number and provide it to you over the phone.

## Printed Receipt

When you book your flight directly through the airline’s website, you receive a receipt that you can print for your records. This receipt should have a copy of your confirmation number printed on it as long as the airline issues the number immediately when you book the flight. In some cases, airlines wait until they process the payment for flight before assigning the confirmation number. If the airline has an airport kiosk, you also may be able to print the receipt there if you don’t have access to a printer at home.

## Email Itinerary

Whether you book through the airline or a travel site, you receive an email from the company with your travel information. This email has the confirmation number listed in it. Sometimes the subject line of the email lists the confirmation number, which makes it easy to locate. You can print this or save a screen shot on your smartphone for easy access if you need to refer to the number later.

## Boarding Pass

You can print your boarding pass from the airline’s website to save time during check in by avoiding long lines at the airport. The confirmation number should be listed on the boarding pass along with the gate for your flight and the time you need to report there for boarding. If you’re near the airport or arrived early for check in, you can print the boarding pass from the airline’s kiosk or ticket counter.

## Documentation from Travel Agent

If you book a flight through a travel agent, the agent mails a packet or sends an email with all of the information you need about your flight. This includes your confirmation number for your flight, hotel and excursions. You can also call the travel agency to request your confirmation number from an agent.

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- Permutation and Combination PDF Set 1

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## Banking Quantitative Aptitude Permutations and Combinations Question Bank

Done permutation and combination (ii) total questions - 24.

question_answer 1) How many even numbers of three digits can be formed with the digits 0, 1, 2, 3, 4, 5 and 6?

A) 30 done clear

B) 105 done clear

C) 75 done clear

D) 180 done clear

E) 150 done clear

question_answer 2) A round table conference is to be held between delegates of 15 companies. In how many ways can they be seated if delegates from two MNCs may wish to sit together?

A) 14! done clear

B) \[14!\times 2!\] done clear

C) \[14!/2!\] done clear

D) \[14!\times 2!-1\] done clear

E) None of these done clear

question_answer 3) A person has 12 friends out of which 7 are relatives. In how many ways can he invite 6 friends such that at least 4 of them are relatives?

A) 460 done clear

B) 426 done clear

C) 432 done clear

D) 464 done clear

E) 462 done clear

question_answer 4) How many words can be made of letters COURTESY which began with C and end with Y?

A) 120 done clear

B) 540 done clear

C) 420 done clear

D) 720 done clear

E) 1040 done clear

question_answer 5) Of 8 balls how many arrangement can be made in which 3 given balls are not all together?

A) \[8!-6!\times 2!\] done clear

B) \[6!-8!\times 2!\] done clear

C) \[8!-6!\times 3!\] done clear

D) \[6!-8!\times 3!\] done clear

question_answer 6) From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there in the committee. In how many ways can it be done?

A) 564 done clear

B) 645 done clear

C) 735 done clear

D) 756 done clear

question_answer 7) Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

A) 210 done clear

B) 1050 done clear

C) 25200 done clear

D) 21400 done clear

question_answer 8) A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw?

A) 32 done clear

B) 48 done clear

C) 64 done clear

D) 96 done clear

question_answer 9) In how many different ways can the letters of the word 'DETAIL' be arranged in such a way that the vowels occupy only the odd positions?

C) 36 done clear

D) 60 done clear

E) 120 done clear

question_answer 10) How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed?

A) 40 done clear

B) 400 done clear

C) 5040 done clear

D) 2520 done clear

E) 13 done clear

question_answer 11) The Indian Cricket team consists of 16 players. It includes 2 wicket keepers and 5 bowlers. In how many ways can a cricket eleven be selected if we have to select 1 wicket keeper and at least 4 bowlers?

A) 1029 done clear

B) 1072 done clear

C) 1040 done clear

D) 1092 done clear

question_answer 12) In a small village, there are 87 families, of which 52 families have at most 2 children. In a rural development program 20 families are to be chosen for assistance, of which at least 18 families must have at most 2 children. how many ways can the choice be made?

A) \[^{52}{{C}_{19}}{{\times }^{35}}{{C}_{1}}{{+}^{50}}{{C}_{19}}{{\times }^{37}}{{C}_{1}}{{+}^{52}}{{C}_{20}}\] done clear

B) \[^{52}{{C}_{18}}{{\times }^{35}}{{C}_{2}}{{+}^{52}}{{C}_{19}}{{\times }^{35}}{{C}_{1}}{{+}^{52}}{{C}_{20}}\] done clear

C) \[^{52}{{C}_{19}}{{\times }^{35}}{{C}_{1}}{{+}^{52}}{{C}_{19}}{{\times }^{35}}{{C}_{1}}{{-}^{52}}{{C}_{20}}\] done clear

D) \[^{52}{{C}_{18}}{{\times }^{35}}{{C}_{2}}{{-}^{52}}{{C}_{19}}{{\times }^{35}}{{C}_{1}}{{+}^{52}}{{C}_{20}}\] done clear

E) None of these done clear

question_answer 13) cqd esa izu ugha gS 38 uEcj dk How many arrangements can be made out of the letters of the word COMMITTEE, taken all at a time, such that the four vowels do not come together?

A) 216 done clear

B) 720 done clear

C) 1260 done clear

D) 4320 done clear

question_answer 14) In how many ways can the letters of the word EDUCATION be rearranged so that the relative position of the vowels and consonants remain the same as in the word EDUCATION?

A) \[4!\times 5!\] done clear

B) \[5!\times 3!\] done clear

C) \[4!\times 4!\] done clear

D) \[5!\times 5!\] done clear

question_answer 15) 3 boys and 2 girls are to be seated in a row in such a way that two girls are always together. In how many different ways can they be seated?

A) 12 done clear

B) 24 done clear

C) 72 done clear

D) 36 done clear

E) 48 done clear

question_answer 16) If the letters of the word CHASM are rearranged to form 5 letter words such that none of the word repeat and the results arranged in ascending order as in a dictionary what is the rank of the word CHASM?

A) 24 done clear

B) 32 done clear

C) 60 done clear

D) 48 done clear

E) 120 done clear

question_answer 17) How many arrangements of the letters of the word 'BENGALI' can be made if the vowels are to occupy only odd places.

A) 576 done clear

B) 567 done clear

C) 625 done clear

question_answer 18) In how many ways 3 mathematics books, 4 history books, 3 chemistry books and 2 biology books can be arranged on a shelf so that all books of the same subjects are together.

A) 42472 done clear

B) 41472 done clear

C) 44725 done clear

D) 45722 done clear

E) 46427 done clear

question_answer 19) There are four bus routes between A and B; and three bus routes between B and C. A man can travel round-trip in number of ways by bus from A to C via B. If he does not want to use a bus route more than once, in how many ways can he make round trip?

A) 72 done clear

B) 44 done clear

C) 32 done clear

D) 19 done clear

E) 24 done clear

question_answer 20) What is the total number of ways in which Dishu can distribute 99 distinct gifts among his 88 distinct girlfriend such that each of them gets at least one gift?

A) \[172\times 8!\] done clear

B) \[144\times 8!\] done clear

C) \[36\times 8!\] done clear

D) \[72\times 8!\] done clear

question_answer 21) From a total of six men and four ladies a committee of three is to be formed. If Mrs. X is not willing to join the committee in which Mr. Y is a member, whereas Mr. Y is willing to join the committee only if Mrs Z is included. How many such committee are possible?

A) 138 done clear

B) 128 done clear

C) 112 done clear

D) 91 done clear

question_answer 22) The number of ways which a mixed double tennis game can be arranged amongst 9 married couples if no husband and wife play in the same is:

A) 1514 done clear

B) 1512 done clear

C) 3024 done clear

D) 3028 done clear

question_answer 23) A basket contains 6 blue, 2 red, 4 green and 3 yellow balls. If 5 balls are picked at random find the number of ways for selecting the balls such that at least one is blue?

A) 2877 done clear

B) 2651 done clear

C) 2400 done clear

D) 2600 done clear

question_answer 24) There are eight boxes of chocolates, each box containing distinct number of chocolates from 1 to 8. In how many ways four of these boxes can be given to four persons (one boxes to each) such that the first person gets more chocolates than each of the three, the second person gets more chocolates than the third as well as the fourth person and the third person gets more chocolates than fourth person?

A) 70 done clear

B) 72 done clear

C) 40 done clear

D) 80 done clear

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## Permutation and Combination (II)

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## 1000+ Permutation and Combination Question Bank Pdf - 1

Model MCQ Online Test

Question: 1

In how many different ways can the letters of the word ‘GAMBLE’ be arranged?

Question: 2

In how many different ways can the letters of the word ‘SMART’ be arranged?

Question: 3

In how many different ways can the letters of the word ‘TOTAL’ be arranged?

Question: 4

In how many different ways can the letters of the word ‘DAILY’ be arranged?

Question: 5

In how many different ways can the letters of the word ‘AWARE’ be arranged?

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## Aptitude - Permutation and Combination

Why should i learn to solve aptitude questions and answers section on "permutation and combination".

Learn and practise solving Aptitude questions and answers section on "Permutation and Combination" to enhance your skills so that you can clear interviews, competitive examinations, and various entrance tests (CAT, GATE, GRE, MAT, bank exams, railway exams, etc.) with full confidence.

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Here you can find multiple-choice Aptitude questions and answers based on "Permutation and Combination" for your placement interviews and competitive exams. Objective-type and true-or-false-type questions are given too.

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You can download the Aptitude quiz questions and answers section on "Permutation and Combination" as PDF files or eBooks.

## How do I solve Aptitude quiz problems based on "Permutation and Combination"?

You can easily solve Aptitude quiz problems based on "Permutation and Combination" by practising the given exercises, including shortcuts and tricks.

- Permutation and Combination - Formulas
- Permutation and Combination - General Questions

We may have (3 men and 2 women) or (4 men and 1 woman) or (5 men only).

The word 'LEADING' has 7 different letters.

When the vowels EAI are always together, they can be supposed to form one letter.

Then, we have to arrange the letters LNDG (EAI).

Now, 5 (4 + 1 = 5) letters can be arranged in 5! = 120 ways.

The vowels (EAI) can be arranged among themselves in 3! = 6 ways.

Video Explanation: https://youtu.be/WCEF3iW3H2c

In the word 'CORPORATION', we treat the vowels OOAIO as one letter.

Thus, we have CRPRTN (OOAIO).

This has 7 (6 + 1) letters of which R occurs 2 times and the rest are different.

Now, 5 vowels in which O occurs 3 times and the rest are different, can be arranged

Video Explanation: https://youtu.be/o3fwMoB0duw

Number of ways of selecting (3 consonants out of 7) and (2 vowels out of 4)

Number of groups, each having 3 consonants and 2 vowels = 210.

Each group contains 5 letters.

Video Explanation: https://youtu.be/dm-8T8Si5lg

The word 'LEADER' contains 6 letters, namely 1L, 2E, 1A, 1D and 1R.

Video Explanation: https://youtu.be/2_2QukHfkYA

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- Permutation and Combination Practice Questions

Permutation and combination is a very important topic in any competitive exams. We have covered this topic and all its sections in our earlier articles. Today we are going to discuss the permutation and combination practice questions. There are different types of practice questions for you to practice and get ready for the competitive exams.

## Browse more Topics under Permutation And Combination

- Factorial Notation
- Permutations
- Number of Permutations
- Combination
- Number of Combination

## Permutation of ‘x’ things using all of them

Directions: For the questions in the section you need to find the distinctive ways to find the answer.

1. Using all the letters of the word GIFT how many distinct words can be formed?

A. 22 words B. 24 words C. 256 words D. 200 words

2. Find out how many distinct three-digit numbers can be formed using all the digits of 1, 2, and 3.

A. 4 B. 5 C. 6 D. 7

3. In how many different ways can five friends sit for a photograph of five chairs in a row?

A. 120 ways B. 24 ways C. 240 ways D. 720 ways

4. In how many different ways can the letters of the word MAGIC can be formed?

A. 24 ways B. 120 ways C. 240 ways D. 720 ways

5. For the above word how many different types of arrangement are possible so that the vowels are always together?

A. 44 words B. 24 words C. 48 words D. 60 words

6. In how many ways can the letters of the word BEAUTY be arranged?

A. 360 B. 5! C. 6! D. 7!

7. For the above word, if the vowels are always together than how many types of arrangement can be possible?

A. 4! * 3! B. 6! C. 4! D. 4! * 3

8. A person has 4 coins if different denominations. What is the number of different sums of money the person can form?

A. 12 B. 15 C. 11 D. 16

3. A 120 ways

4. B 120 ways

5. C 48 words

7. A 4! * 3!

## Permutations of n things taking some of them at one time and when some things are alike

Directions: Answer the questions based on the data given to you

1. If repetition is not allowed then how many distinct three-digit numbers can be formed using the digits (1, 2, 3, 4, 5)?

A. 60 ways B. 50 ways C. 40 ways D. 30 ways

2. Find out the distinct four-letter words that can be formed using the word SINGAPORE.

A. 256 B. 1024 C. 3024 D. 2048

3. Find out how many distinct three-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9 such that the digits are in ascending order.

A. 80 B. 81 C. 83 D. 84

4. How many can 3 digits be formed using the digits from 1 to 5 if the digit 2 is never there in the number?

A. 24 B. 36 C. 40 D. 52

5. If no repetition is not allowed then how many numbers between 2000 and 3000 can be formed using the digits from 0 to 7?

A. 42 B. 336 C. 210 D. 440

6. In how many ways can Kamal choose a consonant and a vowel from the letters of the word ALLAHABAD?

A. 4 B. 5 C. 6 D. 9

7. Find out the number of distinctive words that can be formed using the word GOOD.

A. 16 B. 24 C. 28 D. 48

8. How many different words can be formed from the alphabets of the word SCISSORS?

A. 1440 B. 1680 C. 1800 D. 2100

9. How many distinct words can be formed using the word MINIMUM?

A. 420 B. 450 C. 1024 D. 1048

1. A 60 ways

## Permutation when the repetition of the words are allowed

Directions: The questions in this section consists of the repetition of the words or letters or numbers or alphabets.

1. If repetition is allowed then how many different three digits numbers can be formed using the digits from 1 to 5?

A. 125 B. 27 C. 120 D. None of the above

2. In how many ways can two letters be selected from the English alphabet if repetition is allowed?

A. 650 B. 325 C. 52 D. 51

3. Priya has five friends in how many ways can she invited five or more friends for dinner?

A. 6 B. 7 C. 15 D. 21

4. When repetition is allowed, how many numbers between 2000 and 4000 can be selected from the digits 1 to 5?

A. 248 B. 249 C. 250 D. 128

5. How many can four digits be formed using the digits 0, 1, 2, and 3 (repetition is allowed)?

A. 12 B. 24 C. 256 D. 192

6. In a word jumble, there are 8 consonants and 5 vowels given. Find out in how many ways can we form a 5-letter word having three consonants and 2 vowels?

A. 67200 B. 8540 C. 720 D. None of these

7. There are 45 games in total in a competition. Many teams took part in the competition and each of them must play one with the other teams. In total how many teams took part in the competition?

A. 5 B. 10 C. 15 D. 20

## Different Types of Arrangement

Directions: In this section, you need to find out how many different types of arrangements are possible.

1. In how many ways can you select a diamond or a king from a pack of cards?

A. 16 B. 20 C. 24 D. 8

2. A circular table has 6 chairs, out of this 6, five are identical. In how many ways can the six people be arranged on these chairs?

A. 120 B. 720 C. 360 D. 60

3. Jay invited 10 of his friends on his birthday. If all of them greeted each other with a handshake then how many handshakes will take place?

A. 90 B. 110 C. 45 D. 55

4. In how many can the 4 couples sit around a circular table so that no two men are sitting together?

A. 7! B. 6! C. 3! * 4! D. 3! * 3!

5. There are three dice each of them having faces with a number from 1 to 6. These dices are rolled. Find the number of possible outcomes such that at least one of the dice shows the number 2.

A. 36 B. 91 C. 81 D. 116

4. C 3! * 4!

## Permutation and Combination

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Permutation and combination is a very important topic in any competitive exams. We have covered this topic and all its sections in our earlier articles.