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How many numbers between 4000 and 5000 c...

How many numbers between 4000 and 5000 can be formed from the digits 4, 5, 6, 7 and 8.

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RD SHARMA ENGLISH-PERMUTATIONS-All Questions
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  4. There are 6 multiple choice questions in an examination. How many se...

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  5. How many numbers are there between 100 and 1000 in which all the digit...

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  6. How many 3-digit numbers can be formed from the digits 1, 2, 3, 4 a...

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  7. How many numbers greater than 1000, but not greater than 4000 can be ...

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  8. How many different signals can be given using any number of flags from...

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  9. In how many ways can the letters of the word ‘PHONE’ be arranged

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  10. Find the total number of ways in which six '+' and four '-' signs can ...

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  11. In how many ways can the letters of the word ‘PIZZA’ be arranged

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  12. If the letters of the word ‘MOTHER’ are written in all possible orders...

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  13. The remainder when 1!+2!+3!+4!+......+1000! is divided by 10 is

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  14. A biologist studying the genetic code is interested to know the number...

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  15. If the letters of the word ‘LATE’ be permuted and the words so perfo...

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  16. If the letters of the word MOTHER are written in all possible orders a...

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  17. If the letters of the word ‘LATE’ be permuted and the words so perf...

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  18. Five persons entered the lift cabin on the ground floor of an 8-floor ...

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  19. In how many ways first and second rank in mathematics, first and secon...

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