| Direction: Insert the correct missing numbers. |
A) 327
B) 386
C) 438
D) 469
Correct Answer: D
Solution :
We have \[4\times 2-1=7,\] \[7\times 2+1=15,\] \[15\times 2-1=29,\]\[29\times 2+\text{ }1=59,\]\[59\times 2-1=117,\] \[117\times 2+1=235.\] So, missing number \[=235\times 2-1=469.\]
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