Question

find the odd one out from 1254 2364 3816 4640 5361 6813 7490

Answer 1

There isn't quite an outlier here but your teacher might be looking for

1254

Answer 2

Answer:

The Odd number is 4640.

Step-by-step explanation:

Hey Mate,

Its a very simple and Interesting series i every seen.

Let's solve it.

The Logic behind this series is:

Sum of First and Last digit of number.

1254 => 1 + 4 = 5 And square of 5 is 25 (Middle 2 Digits)

2364 => 2 + 4 = 6 and Square of 6 is 36 (Middle 2 Digits)

3816 => 3 + 6 = 9 And square of 9 is 81 (Middle 2 Digits)

4640 => 4 + 0 = 4 And square of 4 is 64  <= Odd Out.

5361 => 5 + 1 = 6 And square of 6 is 36 (Middle 2 Digits)

6813 => 6 + 3 = 9 And square of 9 is 81 (Middle 2 Digits)

7490 => 7 + 0 = 7 And square of 7 is 49 (Middle 2 Digits)

So,

The Odd number is 4640.