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The letters of the word 'HEXAGON' are ar...

The letters of the word 'HEXAGON' are arranged in all possible ways. If the order of the vowels is not to be changed then the number of possible arrangements is

A

1680

B

840

C

420

D

`(8!)/(2!)`

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The correct Answer is:
B
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-II
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  2. s(1),s(2) ...............,s(10) are the speakers in a conference, If s...

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  3. The letters of the word 'HEXAGON' are arranged in all possible ways. I...

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  4. 9 balls are to placed in 9 boxes : and 5 of the balls cannot ...

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  5. The number of odd numbers having 4 digits can be formed from

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  6. Total number of four digit odd numbers that can be formed using 0, 1, ...

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  7. The number of four digit even numbers that can be formed from 0,1,2,3,...

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  8. The number of positive integers which can be formed by any number of d...

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  9. The number of natural numbers less than 1000, in which no two dig...

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  10. The number of 5-digited numbers which are not divisible by 5 and which...

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  11. The number of four-digit numbers formed by using the digits 0,2,4,5 an...

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  12. The number of four digited numbers formed by 1, 2, 5, 6, 7 divisible b...

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  13. The number of four digited numbers formed by 2, 4, 5, 7, 8 divisible b...

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  14. Five digit numbers divisible by 3 is formed using 0, 1, 2, 3, 4 and 5 ...

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  15. The number of 5 digited numbers that can be formed using the digits 0...

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  16. 5 digit number divisible by 9 are to be formed by using the digits 0, ...

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  17. Number of numbers greater than 24000 can be formed by using digits 1, ...

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  18. A letter lock consists of three rings each marked with 10 different le...

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  19. The number of four digits telephone numbers having atleast one ...

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  20. The number of quadratic expressions with the coefficients drawn ...

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