Question

Find the analogous pair of $27,22,18,15$ from the given alternatives.

• A. $27,23,17,9$
• B. $53,49,47,45$
• C. $47,43,37,35$
• D. $31,26,22,19$

Answer 1

The correct option is D $31,26,22,19$

Series follows a decrement of 5, then 4, then 3.
if first number is $x$, then the following 3 numbers are:
$(x-5),(x-4),(x-3)$
$[31-5=26]\Rightarrow ,[26-4=22]\Rightarrow ,[22-3=19]$