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In DS, beware of "exceptions".
Q. Is X positive?
(1) |X| = X.
Because of the exception "X = 0" case, this statement is insufficient.
Angle between a tangent and radius is 90 degrees.
Indefinite pronouns are singular.Examples: everybody, someone, anyone, anybody, somebody, anything, whatsoever, whoever, whomsoever, something, no one, nothing etc
Be cautious when you see extreme tonality on a CR question or answer choices.
Example: must, most, highest, lowest, worst, best etc
- Often, the key to elimination/selection of an answer choice lies in such extreme terms.
In DS, "no" can very well be an answer.
Question: Is X = 7?
(1): X is not a prime number.
(1) is sufficient. Because (1) leads to "No, X is not equal to 7".
Present participles and gerunds "look" the same (verb+ing).
However, their roles are different.
Present participle acts as a verb or adjective.Jack is running.
Gerund acts as a noun.Running is healthy.
Sum of first n positive integers: n x (n + 1)/2
Sum of first n positive even integers: n x (n + 1)
Sum of first n positive odd integers: n^2
A sentence in English can end in just 3 ways: period, question-mark, or exclamation mark!
Don't leave mocks for the end- it's a common mistake.Take a mock every week.
Don't leave mocks for the end- it's a common mistake.Take a mock every week.
Don't leave mocks for the end- it's a common mistake.Take a mock every week.
Jack wishes that he was an athlete. : IncorrectJack wishes that he were an athlete. : CorrectA subjunctive mood construction - (wish + plural form of verb)
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"Do so" is the correct usage when "so" refers to an action.
"Do it" is the correct usage when "it" refers to a noun.
As "do" generally refers to actions, "do so" is more often correct than "do it".
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