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In how many ways can 4 red , 3 yellow an...

In how many ways can 4 red , 3 yellow and 2 green discs be arranged in a row if the discs of the same colour are indistinguishable?

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RD SHARMA ENGLISH-PERMUTATIONS-All Questions
  1. There are three copies each of 4 different books. In how many ways can...

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  2. How many different arrangements can be made by using all the letters i...

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  3. In how many ways can 4 red , 3 yellow and 2 green discs be arranged in...

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  4. How many numbers greater than 1000000 can be formed by using the digit...

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  5. In how many ways can the letters of the word ASSASSINATION  be arrange...

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  6. Find the total number of permutations of the letters of the word IN...

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  7. The letters of the word SURITI are written in all possible orders and ...

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  8. In how many ways can 4 letters be posted in 5 letter boxes?

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  9. Write the number of 5 digit numbers that can be formed using digits 0,...

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  10. In how many ways 4 women draw water from 4 taps, if no tap remains ...

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  11. Write the total number of possible outcomes in a throw of 3 dice in ...

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  12. Write the number of arrangements of the word BANANA in which two N’s ...

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  13. Write the number4 of ways in which 7 men and 7 women can sit on a roun...

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  14. Write the number of words that can be formed out of the letters of the...

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  15. Write the number of all possible words that can be formed using the ...

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  16. Write the number of ways in which 6 men and 5 women can dine at a roun...

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  17. In how many ways can 5 boys and 3 girls be seated in a row so that eac...

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  18. Write the number of numbers that can be formed using all for digits ...

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  19. The number of permutations of n different things taking r at a time ...

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  20. The number of five digit telephone numbers having at least one of thei...

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