Number of lettters skipped in between adjacent letters in the series and increased by one.
Which of the foloowing alternatives observes this rule ?

A. KMPTY

Which of the following series observes the rule, "Skip in between adjacent letters, increasing one letter more each time to build a set of letters" ?

B. BDGKPV

The letters skipped in between the adjacent letters in the series are followed by equal space.
Which of the following series observes this rule ?

C. RVZDHL

Number of letters skipped in between adjacent letters in the series is two. Which of the following series observes this rule ?

A. MPSVYBE

Number of letters skipped in between the adjacent letters in the series are consecutive even numbers.
Which of the following series observes this rule ?

B. ADIPY