Answer:
I go around in circles but always straight ahead never complain no matter where I am led. What am I?
What word has kst in the middle, in the beginning, and at the end?
First I may be your servant's name. Then your desires I may proclaim. When your mortal life is over, I hold all your wealth within my power. What am I?
I am of several different kinds, but the one you pick doesn't do its job. What am I?
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word. What am I?
I have two bodies joined together as one. When standing still I run and run.
What am I?
Animal
Difficult
Easy
Food
Funny
Kids
Logic