Q: Does the word "set" mean the same thing in "The subjects' set led them to solve problems the familiar way and to overlook the simpler solution." and "His instructions deliberately gave them the wrong set."?

A: the same meaning

Q: Does the word "operation" mean the same thing in "A multinational operation." and "A large-scale farming operation."?

A: the same meaning

Q: Does the word "cycle" mean the same thing in "The cycle of the seasons, or of the year." and "The never-ending cycle of the seasons."?

A: the same meaning

Q: Does the word "back" mean the same thing in "I back you all the way." and "Back this enterprise."?

A:
the same meaning