Odd Man Out Questions

Each number is twice the preceding one with 1 added or subtracted alternatively.

So, the next number is (2 x 261 + 1) = 523.

Subtract 1, 3, 5, 7, 9, 11 from successive numbers.

So, 34 is wrong.

Given 

6   3   3   6   24   ?

Here

6

6 x 0.5 = 3

3 x 1 = 3 

3 x 2 = 6

6 x 4 = 24 

24 x 8 = 192

The next number in the given series is 192.

All except Parrot are birds of prey.

The pattern is 1 x 2, 2 x 3, 3 x 4, 4 x 5, 5 x 6, 6 x 7, 7 x 8.

So, the next number is 8 x 9 = 72.

The numbers are 7 x 8, 8 x 9, 9 x 10, 10 x 11, 11 x 12, 12 x 13.

So, 150 is wrong.

Go on multiplying the given numbers by 2, 3, 4, 5, 6.

So, the correct next number is 1440.

In each number except 383, the product of first and third digits is the middle one.