10. Sales
A career in sales requires an assertive personality, unparalleled communication skills and most of all a clever mind. A sales worker can never be successful if he or she is unable to be convincing. To reel in innocent bystanders and persuade them to purchase the product you’re selling is sure enough quite a challenging task. But sales workers manage it without breaking too much of a sweat. Why, you ask? Their shrewdness and high IQ levels are major reasons, considering that the median IQ level of a sales worker is just a little bit below 110.
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