A) 52
B) 56
C) 96
D) 128
The 1st number is 14 and next is 14*2 = 28.
The 3rd number is 28–8 = 20 and next is 20*2 = 40.
The 5th number is 40–8 = 32 and next is 32*2 = 64.
Therefore the 7th number is 64–8 = 56.
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