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Find the number of 4-digit numbers that ...

Find the number of 4-digit numbers that can be formed using the digits 1,2,3,4,5 if no digit is repeated. How many of these will be even?

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The correct Answer is:
120, 48
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MODERN PUBLICATION-PERMUTATIONS AND COMBINATIONS -EXERCISE 7 (d) Short Answer Type Questions
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  2. In how many ways can five children stand in a queue?

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  5. There are 6 items in column A and 6 items in column B. A student is as...

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  6. (i) How many three - digit numbers are there, with no digit repeated ?...

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  7. How many even numbers of three digits each can be made with the digit...

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  8. Find the number of 4-digit numbers that can be formed using the digits...

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  9. How many numbers lying between 100 and 1000 can be formed with the ...

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  10. How many 4-digit numbers can be formed by using the digits 1 to 9 i...

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  11. How many 4-digit numbers are there with no digit repeated?

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  12. How many 6-digit numbers can be formed from the digits 0, 1, 3, 5, ...

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  13. Ten horses aere running a race. IN ho wmny ways can these horses come ...

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  14. From a committee of 8 persons, in how many ways can we choose a cha...

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