Aquarius and Scorpio are the smartest zodiac signs, astrologists say — but for two very different reasons. Those born under the Aquarius sign have the highest levels of analytical intelligence, which is measured by cognitive ability and IQ.

Which zodiac sign is laziest?

Sagittarius Sagittarius is the laziest zodiac sign.

Which zodiac is hardworking?

Virgo, you are literally described as hard working, so, naturally, you are going to be one of the best zodiac signs for this.