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Answered on 23/10/2016 Permutations Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics

What is the value of 7P6?

Debojyoti

Business Mathematics & Statistics

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

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Answers 25 Comments Answered on 11/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Permutations

Evaluate: 8! - 3!?

K.vaishali .

4x5x6x7x8=6720.

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Answers 20 Comments Answered on 06/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Permutations

How many 3- digit numbers can be formed by using the digits 1 to 9 if no digit is repeated?

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.

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Answers 4 Comments Answered on 12/10/2016 Permutations Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics

Using all the letters of the word "FRIDAY", how many different words can be formed?

Durgesh Kumar

Mathematics, Physics Expert

Q;- FRIDAY Total no of different letters=F+R+I+D+A+Y = 6! = 6*5*4*3*2*1 = 720

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Answers 47 Comments Answered on 06/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Permutations

How many words can be formed without repeating the words from the word MONDAY?

Sarvajeet Kumar

Tutor

6! = 720.

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Answers 3 Comments Answered on 06/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Permutations

How many 5 - digit telephone numbers can be constructed using the digits 0 to 9 if each number starts...

Sarvajeet Kumar

Tutor

336.

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Answers 3 Comments A coin is tossed 3 times and the outcomes are recorded. How many possible outcomes are there?

Sarvajeet Kumar

Tutor

8.

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Answers 3 Comments Answered on 30/11/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Permutations

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

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.

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Answers 2 Comments Answered on 02/12/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Permutations

Define permutation?

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.

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Answers 3 Comments Answered on 28/11/2016 Tuition/Class XI-XII Tuition (PUC) Tuition/Class XI-XII Tuition (PUC)/Mathematics Permutations

Evaluate: 5! - 2!?

Debojyoti

Business Mathematics & Statistics

118.

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