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(49)^(15)-1 is exactly divisible by:...

`(49)^(15)-1` is exactly divisible by:

A

50

B

51

C

29

D

8

Text Solution

Verified by Experts

The correct Answer is:
d
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MOTHERS-NUMBER SYSTEM-O
  1. If n is an integer, then (n^(3) - n) is always divisible by :

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  2. (10^n - 1) is always divisible by 11, if

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  3. (49)^(15)-1 is exactly divisible by:

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  4. If 9^6 -11 is divided by 8, the remainder is

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  5. When 2^34 is divided by 9 , the remainder will be?

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  6. When 5^507 is divided by 500, the remain- der will be?

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  7. When number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 is divided by 16, the ...

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  8. When number 1 2 3 4 5 ................. (76 digits) is divided by 16, ...

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  9. When number x^2 + 7x + 15 is divided by (x - 5), the remainder will be...

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  10. When number x^40 + 31 is divided by x^4 + 1, the remainder will be?

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  11. When 335 is added to 5A7, the result is 8B2, 8B2 is divisible by 3. Wh...

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  12. If the sum of the digits of any integer lying between 100 and 1000 is ...

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  13. When ( 43 xx 83) is divided by 21, the remainder obtained is ?

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  14. The remainder of (130+147)/11 is?

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  15. When 127 xx 139 xx 12653 xx 79 xx 18769 is divided by 5, the remainder...

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  16. When 127 + 139 + 12653 + 79 +18769 is divided by 5, the remainder obta...

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  17. When (1750 + 1748 + 1752 + 70 + 35) is divided by 5, the remainder obt...

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  18. When is divided by 10, the remaindeer obtained is ?

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  19. When is divided by 12, the remainder obtained is?

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  20. Find the last two digit in the product of - 39 xx 55 xx 57 xx 24 xx ...

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