Choose the word which is different from the rest.

All except Chicken can live in water.

(3 x 4 - 8) = 4

(2 x 5 - 4) = 6

(4 x 5 - 9) = 11.

1 + 2 + 3 + 4 = 10

and 1 + 3 + 5 + 8 = 17

Similarly, 1 + 4 + 6 + 9 = 20.

(5 + 3)/2 = 4

and (6 + 8)/2 = 7

Therefore (8 + 4)/2 = 6.

(4 + 9 + 2) = (3 + 5 + 7) = (8 + 1 + 6)

Total in each case = 15.

All except Eagle are flightless birds.

All except Ayurveda are names of holy scriptures, the four Vedas. Ayurveda is a branch of medicine.

All except Oil are products obtained from milk.

All except Potassium are metals used in semiconductor devices.

All except Chalk are obtained from crops.