Question

Circle the odd one out?
819, 721, 243, 133

Answer 1

Given :

819, 721, 243, 133

To find :

circle the odd one

Solution :

819, 721, 243, 133

1st number: 819

Multiply the last digit with itself = 9 x 9 = 81 (first two digits)

2nd number: 721

Multiply the first digit with 3 = 7 x 3 = 21 (next two digits)

3rd number: 243

Multiply the last digit with 8 = 3 x 8 = 24 (first two digits)

4th number: 133

we can't multiply any number with a single digit to get the next or previous digits.

So, 133 would be an odd one.

Answer 2

Answer:

133

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