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10^(n) +3(4^(n+2) )+5 is divisible by ...

` 10^(n) +3(4^(n+2) )+5` is divisible by ` (n in N): ` a)7 b)5 c)9 d)17

A

7

B

5

C

9

D

17

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • If 3^(2n+2)-8n-9 is divisible by 'k' for all n in N is true, then which one of the following is a value of 'k'?a)8 b)6 c)3 d)12

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  • ""^(n) p _(r) = 3024 and ""^(n) C _(r) = 126, then r is : a)5 b)4 c)3 d)2

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    D
    2

  • If the sum of n terms of the series 2 ^(3) + 4 ^(3) + 6 ^(3) + ... is 3528, then n equals to: a)6 b)7 c)8 d)9

    A
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