19 26 40 68 124 (?) Find the nex number in the series.

A.  246

B.  238

C.  236

D.  256

E.  None of these

Correct Answer :
236
Explanation :

if 26-19 = 7,

40-26 = 14,

68-40 = 28,

124-68 = 56  

56*2 = 112

Then check the differances all options 

if 236-124 = 112

then the next number is 112


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