In no other historical sighting did Halley’s Comet

Question In no other historical sighting did Halley’s Comet cause such a worldwide sensation as did its return in 1910-1911. Option A Option B Option C Option D Option E (This question is from Official Guide. Therefore, because of copyrights, the complete question cannot be copied here. The complete question can be viewed on GMATClub) Solution …

Rock samples taken from the remains of an asteroid

Official Question Rock samples taken from the remains of an asteroid about twice the size of the 6-mile-wide asteroid that eradicated the dinosaurs has been dated to be 3.47 billion years old and thus is evidence of the earliest known asteroid impact on Earth. Option A Option B Option C Option D Option E (This …

The ‘Although’ Misconception

The ‘Although’ Misconception Time and again, students have come to me with a ‘rule’ they had heard or read somewhere. Well, it turns out there’s no such rule; it’s only a misconception that is shared by many test takers. The purpose of this article is to dispel that misconception by offering official GMAT SC questions …