In question, number of letters skipped in between adjacent letters in the series is increased by one. Which of the following series observes the rule ?

Options

A. ACFJN
B. ACFJO
C. ADFJO
D. ACFKO

Answer

B

Explanation

`{:(A,overset(+2)(rarr),C,overset(+3)(rarr),F,overset(+4)(rarr),J,overset(+4)(rarr),N),(A,overset(+2)(rarr),C,overset(+3)(rarr),F,overset(+4)(rarr),J,overset(+5)(rarr),O),(A,overset(+3)(rarr),D,overset(+2)(rarr),F,overset(+4)(rarr),J,overset(+5)(rarr),O),(A,overset(+2)(rarr),C,overset(+3)(rarr),F,overset(+5)(rarr),K,overset(+4)(rarr),O):}`