# Aptitude - Odd Man Out and Series - Discussion

Discussion Forum : Odd Man Out and Series - Pick Wrong No. (Q.No. 2)
Directions to Solve
Find out the wrong number in the given sequence of numbers.

2.
22, 33, 66, 99, 121, 279, 594
33
121
279
594
Explanation:
Each of the number except 279 is a multiple of 11.
Discussion:
13 comments Page 1 of 2.

Joy said:   1 year ago
All numbers except 121 are divisible by 3.
So, 121 is also odd man out. Not denying the multiples of 11 logic. But both 121 or 279 must be the correct answer.

Nandini said:   5 years ago

11*3=33.
33+3=36.
36*3=108.
108+3=111(110 which is wrong).
111*3=333.

Urman said:   5 years ago
11*2=22.
11*3=33.
11*6=66.
11*9=99.
11*11=121.
11*54=594.

279 is not divided by 11.
(2)

Harikrishna said:   6 years ago
The simple solution is;

11*2=22,
11*3=33,
11*6=66,
11*9=99,
11*11=121,
11*54=594.

(eg:11*54= 594(take the middle number out (5-*9*-4)of any three digit answer then you can find the same number which is multiplied by the number 11)).

the same way other can be done.
(1)

Mahesh said:   6 years ago

33 = 3*11
36= 3*12
108= 3*36
110=11*10
333=3*111.

Only 11 is a prime number.

Kartik said:   7 years ago
11, 33, 36, 108, 110, 333.

Find the odd man out.

Vishal said:   7 years ago
But if u do like this :

22 * 3 = 66,
33 * 3 = 99,
66 * 3 = 198 but in problem 121 (Ans),
198 * 3 = 594,
99 * 3 = 279.

Aanchal said:   8 years ago
From 3rd no, every number is three times previous-to-previous number.

Eg: 66 is thrice 22, 99 is thrice 33.