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# Deloitte Permutations and Combinations Questions and Answers Quiz-1

Question 1

Time: 00:00:00
In how many ways the 18 English and 12 Hindi books can be kept

on the shelf so that two books on Hindi may not be together.

15400

15400

50388

50388

93564

93564

None of these

None of these

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Question 2

Time: 00:00:00
Neha arranges the 10 different distinct numbers having seperate

functions. What will be the total number of separate functions?

10^10

10^10

13

13

90

90

None of these

None of these

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Question 3

Time: 00:00:00
The garden is to be paved with the triangular tiles all over.

How many such tiles can be formed from a vertices point of the

ground at a distance of 14 points and 7 of which lies in the

straight lines.

533

533

333

333

329

329

None of these

None of these

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Question 4

Time: 00:00:00
An online examination have 12 question out of which we have

the alternative to select the answer. Choose how many ways can be

there in which one can answer the question.

312-1

312-1

311-1

311-1

318

318

4:3

4:3

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Question 5

Time: 00:00:00
The number of ways in which 12 different books can be arranged

in the book shelves so that 4 books are together.

(8-1)!

(8-1)!

(9-1)! * 4!/2

(9-1)! * 4!/2

(7-1)!

(7-1)!

(5-1)!

(5-1)!

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Question 6

Time: 00:00:00
There are five visiting places in a city and can visit the 3

places on a day. Find the number of ways in which a visitor can

visit these places in a day.

20

20

25

25

10

10

30

30

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Question 7

Time: 00:00:00
Suppose there are M keys to open the door and there are N

combination of keys which can be used for the same. What are

the number of ways in which the number of keys can be selected?

1

1

(M+1)n - 1

(M+1)n - 1

(M+1)n

(M+1)n

M+1

M+1

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Question 8

Time: 00:00:00
There are 10 students in a dance group, out of which 6 are too

selected in a row such that two of them will not be able to

participate together. Find the number of ways in which 8 can

be selected.

144

144

732

732

728

728

398

398

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Question 9

Time: 00:00:00
There are 3 varieties of flowers of 5 different colours. What are the

total number of ways in which we can get all the 5 colours for all

three variety of followers?

3

3

5

5

125

125

124

124

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["0","40","60","80","100"]
["Need more practice! \r\n \r\n","Keep trying! \r\n \r\n","Not bad! \r\n \r\n","Good work! \r\n \r\n","Perfect! \r\n \r\n"]

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