Do you need to use definite article ("the") with &

I saw this sentence in OG where they stress the use of "the". My question is - do you really need it when a restrictive pronoun "that" is used. Schistomiasis, a disease cause by parasitic worm, is prevalent in xyz, and it has become more widespread as irrigation projects have enl...

absolute values

I saw this property in one of the DS questions -

x=-3y This tells us X and Y have different signs. ( -,+)

we can also say |x| = 3|y|


Which number property does the above reflect ? Are n't we forgetting the negative sign by converting to absolute value ?

Pls clarify

Usage of that

One of the usage of "that" is : that" is usually used in a way similar to the way "which" is used, but there's more of a tolerance for inserting intervening constructions, such as small clauses, between the noun and "that". * a chemical has been discovered that wil...

Could you please elaborate - 1 - the probability that the first two draws were nickels, is not same as NO nickel in the first two draws, that’s why your idea didn’t click.


What am I missing ? When will the probability of not picking 2 nickel = 1 - (picking two nickels )

Co-ord geo

That post relies heavily on some complicated formula.. Does anyone have a more easy way to do this problem by mere logic.. What's the MGMAT EXPLANATION?

Necessary vs Required vs sufficient

Only if is a term that introduces a necessary condition. Is it the same as required condition ?

Is Necessary = Required ?

Maria's sailboat

Maria won this year's local sailboat race by beating Sue, the winner in each of the four previous years. We can conlcude from this that Maria trained hard. The conclusion follows logically if which one of the following is assumed ? A. Sue did not train as hard as Maria B. If Maria trained hard, she ...

Can you please explain why 3) is not A....

Any explanations for the correct choice C