How To Solve Odd Man Out Question Quickly

How To Solve Odd Man Out Questions Quickly: Number Classification Type

Question.9

Pick the odd one out

5-20-35, 11-33-66, 4-12-21, 25-75-125

Options:

A.   5-20-35
B    11-33-66
C    4-12-21
D.   25-75-125

Answer: C
Explanation:

In all the options except C, digits are divisible by the first number while in option C (21 is not divisible by 4).

Question.10

1, 4, 9, 16, 20, 36, 49

Options:

A.  1
B.  20
C.  9
D.  49

Answer: B
Explanation:

The pattern is 1², 2², 3², 4², 5², 6², 7².

Question.11

What comes next in this sequence?

225, 198, 173, 150, 129, 110 ?

Options:

A.  83
B.  85
C.  93
D.  91

Answer: C
Explanation:

The given number series follows a pattern that
225, 198, 173, 150, 129, 110, 93
-27  -25   -23   -21  -19  -17      => 110 – 17 = 93

Question 12

Find out the wrong number in the given sequence of numbers.

582, 605, 588, 611, 634, 617, 600

A. 634
B. 611
C. 605
D. 600

Explanation:

Alternatively 23 is added and 17 is subtracted from the terms. So, 634 is wrong.

Question 13

194, 194, 191, 183, 168, ?

Find the next number in the above series? 

A. 154
B. 156
C. 144
D. 143

Explanation:

Here the series follows,

194

194 – (1×1 – 1) = 194

194 – (2×2 – 1) = 191

191 – (3×3 – 1) = 183

183 – (4×4 – 1) = 168

168 – (5×5 – 1) = 144