1.

Select a number from the options which will replace the question mark, if a certain rule is followed in the figures. (i) 4 7 9 12                                                                         (ii) 8 16 15 23                                                                         (iii) ? 18 19 15                                                                        

A.  22                               
B.  20                   
C.         18                   
D.         15                   
Answer» B.  20                   


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