Number Series - Verbal and Reasoning

Directions to SolveLook carefully for the pattern, and then choose which pair of numbers comes next.
Q1:

28 25 5 21 18 5 14

A 11 5

B 10 7

C 11 8

D 5 10

E 10 5

ANS:A - 11 5

This is an alternating subtraction series with the interpolation of a random number, 5, as every third number. In the subtraction series, 3 is subtracted, then 4, then 3, and so on.