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For a group photograph, 3 boys and 2 gir...

For a group photograph, 3 boys and 2 girls stand in a line in all possible ways. How many photos could be taken if each photo corresponds to each such arrangement

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A N EXCEL PUBLICATION-PERMUTATIONS AND COMBINATIONS-QUESTION BANK
  1. if ^(2n+1)p(n-1):^(2n-1)pn=3:5, prove that n = 4

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  2. In how many ways ‘n’ objects can be arranged together in a line?

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  3. For a group photograph, 3 boys and 2 girls stand in a line in all poss...

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  4. Consider the word ‘LOGARITHMS' How many distinct letters are there in ...

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  5. Consider the word ‘LOGARITHMS' How many 4 letter words, with or withou...

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  6. Consider the word ‘LOGARITHMS' How many 4 letter words, with or withou...

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  7. Consider the word ‘RESHMA’ How many distinct letters are there in the...

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  8. Consider the word ‘RESHMA’ How many vowels are there in the given wor...

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  9. Consider the word ‘RESHMA’ How many different words can be formed usi...

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  10. Consider the word ‘RESHMA’ How many different words can be formed usin...

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  11. Consider the word ‘RESHMA’ How many different words can be formed usin...

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  12. In a certain city, all telephone numbers have six digits How many tele...

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  13. In a certain city, all telephone numbers have six digits If repetition...

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  14. In a certain city, all telephone numbers have six digits How many tele...

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  15. Suppose that words are formed by permuting all the letters of the word...

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  16. Suppose that words are formed by permuting all the letters of the word...

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  17. If the letters of the word DHRONA be permuted and arranged as in a dic...

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  18. Find the number of arrangements of 6 boys and 5 girls in a row so that...

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  19. Find the number of arrangements of 6 boys and 5 girls in a row so that...

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  20. Show that there are 300 numbers gt 1000 and lt 10,000 which can be fo...

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