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The value of (1.2.3…..9).(11.12.13…19)...

The value of
`(1.2.3…..9).(11.12.13…19).(21.22.23….29).(31.32.33……39).(41.42.43….49).(51.52.53…..59)……(91.92….99)`

A

`(100!)/(36288xx10^11)`

B

`(99!)/(388xx10^11)`

C

`(99!)/(36288xx10^10)`

D

can't be determined

Text Solution

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The correct Answer is:
C
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QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
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  2. If n! = ((n + 4)!)/((n + 1)!) , then the value of n is :

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  3. The value of (1.2.3…..9).(11.12.13…19).(21.22.23….29).(31.32.33……39)...

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  4. The expression 1! + 2! + 3! + 4! + ……….. + n! (where n ge 5) is not a/...

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  5. The HCF and LCM of 13! and 31! are respectively :

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  6. Find the number of zeros in the product of 10!.

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  7. Find the number of zeros at the end of the product of 2^222xx5^555

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  8. Find the number of zeros st the end of the product of the expression ...

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  9. Find the number of Zeros at the end of the expression - 10 + 100 + ...

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  10. Find the no. of zeros in expression 10 xx 100xx1000xx10000xx...1000000...

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  11. Number of zeros at the end of the following expression (5!)^(5!) + (10...

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  12. Find the largest power of 5 contained in 124! .

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  13. Find the largest power of 2 that can divide 268!.

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  14. Find the largest power of 7 that can exactly divide 777!.

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  15. Find the largest value of n in the 10^(n) which can exactly divide 100...

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  16. Find the number of zeros at the end of 1000!.

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  17. The number of zeros at the end of 100!, is

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  18. Find the highest power of 63 which can exactly divide 6336!.

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  19. Find the highest power of 40 which can exactly divide 4000!.

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  20. Find the highest power of 81 that can divide 1800!.

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