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How many different five –digit number li...

How many different five –digit number licence plates can be made if First digit cannot be zero and the repetition of digits is not allowed, The first digit cannot be zero, but the repetition of digits is allowed?

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RD SHARMA ENGLISH-PERMUTATIONS-All Questions
  1. How many three digit numbers are there with no digit repeated?

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  2. How many three –digit numbers are there?

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  3. How many different five –digit number licence plates can be made if Fi...

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  4. How many four –digit numbers can be formed with the digits 3,5,7,8,9 w...

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  5. How many four digit numbers can be formed with the digits 3,5,7,8,9 ...

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  6. How many 3 digit numbers are there, with distinct digits, with each ...

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  7. How many different numbers of six digits can be formed from the digits...

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  8. A number lock on a suitcase has three wheels each labelled with ten di...

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  9. How many numbers of six digits can be formed from the digits 0,1,3,5,7...

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  10. If three six faced die each marked with numbers 1 to 6 on six faces, ...

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  11. A coin is tossed three times and the outcomes are recorded. How many ...

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  12. How many numbers of four digits can be formed with the digits 1,2,3,4,...

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  13. How many three digits numbers can be formed by using the digits 0,1...

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  14. How many natural numbers less than 1000 can be formed form the digits ...

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  15. How many five digit telephone numbers can be constructed using the dig...

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  16. Find the number of ways in which 8 distinct toys can be distributed ...

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  17. Find the number of ways in which one can post 5 letters in 7letter ...

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  18. In how many ways can 5 different balls be distributed among three b...

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  19. In how many ways can 7 letters be posted in 4 letter boxes?

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  20. In how many ways can 4 prizes be distributed among 5 students, when (1...

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