Three of the following four word pairs are alike in a certain way and one is different. Pick the odd word out.

we have to find out the word which is different

1. kitchen :frying pan which is correct , we use frying pan in the kitchen
2. bathroom :shower which is correct , there is shower in the bathroom which we use in bathing
3. garden :ladle which is incorrect because we use ladle in the kitchen for serving the dishes
4. study room: table lamp which is correct we use table lamp in our study table for studying

we are seeing that in option 1,2 and 4 ; first person is related to the second person in some manner but there is no relation in option 3 so it will be the different from rest of the options.