If DRIVER = 12, PEDESTRIAN = 20 and ACCIDENT = 16, then CAR is equal to:

On observing the words, we identify the relationship between the words and numbers, as for each word, the number is twice the number of letters in the word. DRIVER, for instance, has 6 letters, so the corresponding number is given to be 12; PEDESTRIAN has 10 letters, so 10x2=20 and ACCIDENT has 8 letters , so 8x2=16. 

Now, the word given to us is CAR, which has 3 letters, so it should be 3x2=6; which makes option B the correct choice.