A) 1
B) 731
C) 1625
D) 2031
Correct Answer: D
Solution :
We have: \[3\times 5+1=16,\] \[16\times 5+1=81,81\times 5+1=406\]. So, missing number \[=406=406\times 5+1=2031.\]You need to login to perform this action.
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