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Aptitude Day 342

Problems on Odd man out and Series:

1. Find the odd man out:

3, 4, 5, 7, 13, 19, 17

Solution:
                The odd one is 4 because, except 4, the other numbers are prime numbers.

2. Find the odd man out:

4, 9, 64, 49, 32

Solution:

                The odd one is 32 because, except 32, the other numbers are perfect square numbers. 

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