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If m^n - m = (m - n)! where m > n > 1 an...

If `m^n - m = (m - n)!` where `m > n > 1` and `m = n^2` then the value of `m^2 + n^2` is :

A

272

B

90

C

20

D

none of (a), (b), (c)

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The correct Answer is:
B
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QUANTUM CAT-NUMBER SYSTEM-QUESTION BANK
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  2. In a set of first 1000 natural numbers find the number of prime number...

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  3. If m^n - m = (m - n)! where m > n > 1 and m = n^2 then the value of m^...

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  4. If P + P! = P^3 , then the value of P is :

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  5. If P + P! = P^2 then the value of P is:

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  6. If n! - n = n, then the value of n is :

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  7. The appropriate value of P for the relation (P! + 1) = (P + 1)^2 is :

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  8. The value of 8! div 5! is :

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  9. If n! = ((n + 4)!)/((n + 1)!) , then the value of n is :

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

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

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

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

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

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

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

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

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

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

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

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