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If n is a natural number then (12 ^(n) +...

If n is a natural number then `(12 ^(n) + 25 ^(n-1))` is divisible by-

A

9

B

13

C

12

D

21

Text Solution

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The correct Answer is:
B
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CHHAYA PUBLICATION-MCQ's-QUESTION PAPER 4
  1. The solutio set of the inequation x + 19 lt 4 (1-x) is-

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  2. If ""(n)C(r) denotes the number of combinations of n different things ...

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  3. If n is a natural number then (12 ^(n) + 25 ^(n-1)) is divisible by-

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  4. If |z-4| lt |z-2|, where z is a complex number, then its solution is-

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  9. If x is real and (x+5)/(x-2)le0, state which of the following is true-

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  10. In three dimensional space, x=0 represents the equation of-

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