You should regularly revisit SC concepts.Make SC Stage-1 videos and GMAT Shots your good friends!
Areal probability
When you need to find probability of a specific area to be selected out of the total area.
P(E) = Desired Area / Total Area
MANAS: Many, Any, None, All, and Some can be singular as well as plural.
Some chocolates were distributed.Some wisdom was shared.
Do not chase "tricks/tips/shortcuts". Chase "concepts"!
Do not chase "scores"; chase "learning". Scores will follow.
Approach for CR boldface questions:
Step 1: Identify the conclusion.Step 2: Link the bold part(s) with the conclusion.Step 3: Know what to expect from the correct answer choice.Step 4: Eliminate four choices.
Scientists postulate that the magic particle exists. : IncorrectScientists postulate that the magic particle exist. : Correct
A subjunctive mood construction - (subject + bossy verb + that + base form of verb)