Number Series Ques 196

Question-

Find the wrong term in the following series.

$1\quad 2\quad 4\quad 9\quad 23 \quad 69 \quad 186$

(1) 2

(2) 9

(3) 23

(4) 4

(5) 69

Show Answer

Correct Answer: (5)

Solution: (5)

The pattern is :

$1 \times 3-1=2$

$2 \times 3-2=4$

$4 \times 3-3=9$

$9 \times 3-4=23$

$23 \times 3-5=69-5=64 \neq 69$

$64 \times 3-6=192-6=186$