Choose the word which is different from the rest.

All except Veil cover the head, while veil covers the face.

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.

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.

All except Park are halting places of various transport means.