1.  Choose that set of numbers from the four alternative sets, that is similar to the given set.
Given set : (6, 15, 28)

A. (46, 56, 66)
B. (50, 59, 71)
C. (60, 67, 72)
D. (60, 69, 82)

Answer: Option D

Explanation:

in each set, 2nd number =(1st number + 9) and 3rd number = (2nd number + 13)