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Find the number of ways in which 8 diffe...

Find the number of ways in which 8 different flowered can be strung to form a garland so that four particular flowers are never separated.

A

`4!.4!`

B

`(8!)/(4!)`

C

288

D

none of these

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The correct Answer is:
A
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OBJECTIVE RD SHARMA ENGLISH-PERMUTATIONS AND COMBINATIONS-Exercise
  1. Find the number of different permutations of the letters of the word ...

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  2. A person tries to form as many different parties as he can, out of his...

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  3. Find the number of ways in which 8 different flowered can be strung to...

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  4. The number of words which can be formed out of the letters a, b, c, d,...

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  5. The smallest value of x satisfying the inequality ""^(10)C(x-1)gt2.""^...

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  6. The number of arrangenments which can be made using all the letters of...

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  7. The number of ways of choosing a committee of 4 women and 5 men from 1...

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  8. A set contains 2n+1 elements. The number of subsets of this set conta...

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  9. The number of ways in which any four letters cab be selected from the ...

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  10. A 5 digit number divisible by 3 is t formed sing the digits 0,1,2,3,4 ...

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  11. If 7 points out of 12 are in the same straight line, then the number o...

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  12. If a denotes the number of permutations of (x+2) things taken all at a...

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  13. There are number of seats and m number of people have to be seated, th...

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  14. There are 5 letters and 5 directed envelopes. The number of ways in wh...

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  15. Find the number of ways of selecting 10 balls out o fan unlimited n...

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  16. The total number of different combinations of letters which can be mad...

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  17. The total number of six-digit natural numbers that can be made with...

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  18. The number of numbers of 7 digits whose sum of digits is even, is

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  19. All possible four-digit numbers have formed using the digits 0, 1, 2, ...

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  20. If the permutations of a, b, c, d, e taken all together be written dow...

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