In a certain code language, 'LIFE' is coded as '4765' and 'MEAT' is coded as '9142'. What is the code for 'E' in that code language?

Let's compare the words and find common letters and numbers:$\text{’LIFE’}=\{4,7,6,5\}$$\text{’MEAT’}=\{9,1,4,2\}$ The only letter common to both words is 'E'.The only digit common to both numerical code lists is '4'.Therefore, the code for 'E' must be 4.