In life, all people regardless of their age, sex, belief, etc, surely must face and tackle problems. This problem solving mechanism is a unique feature, that only present in human and has been with every body since they are born. Babies must face problems related to basic survival on their first days on earth. When they grow up, still they have to face problems related to social relationship, learning their first “ABC” and many more. The same pattern continue until they begin acting as adults when they have to face much bigger problems, such as problems related to work, etc. So problem solving is an immutable fact in human life.

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