Olympiad Test: Odd One Out - 2

All the options except fingers, are parts of body in pair.

All the items, except the tomato, grow underground.

In all the pairs, except (c), the first is masculine and the other is feminine.

In all the pairs, except (d), second is the young one of the first.

All the given numbers except 27 are prime numbers whereas 27 is a composite number.

All the given numbers except 9 are prime numbers

Australia is the name of continent

potato is the only vegetable name in the series

7 is the only prime number in the series

Each of the numbers except 14 is an odd number.

The pattern is 2³, 3³, 4³, 5³, 6³, 7³. But, 100 is not a perfect cube.

Each of the numbers except 54 is multiple of 5.

Each of the numbers except 28, is a multiple of 3.

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

In each number except 751, the difference of third and first digit is the middle one.

Each of the numbers is a prime number except 12.

Each of the numbers except 23, is perfect square.

The pattern is 1², 2², 3², 4², 5², 6², 7². But, instead of 5², it is 20 which to be turned out.

(1*1)+1, (2*2)+1, (3*3)+1, (4*4)+1, 
(5*5)+1, (6*6)+1, (7*7)+1, (8*8)+1 
But, 64 is out of pattern.

Each of the numbers except 72 is a perfect square.