In a certain code language, ‘COWS’ is coded as ‘7935’ and ‘OILY’ is coded as ‘2568’. What is the code for ‘O’ in that language?

Options
a) 8
b) 9
c) 5
d) 2

Solution

COWS – 7935
OILY – 2568
COWS and OILY have O common
7935 and 2568 have 5 Common
therefore O code is 5

Correct Answer: c) 5