A) 11
B) 16
C) 25
D) 30
Correct Answer: D
Solution :
Given expression \[={{3}^{2}}\times (1+3+{{3}^{2}}+{{3}^{3}})\] \[={{3}^{25}}\times 40=({{3}^{24}}\times 4)(3\times 10)\] Which is divisible by 30.You need to login to perform this action.
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