Search found 11 matches


Re: Golden Retrievers, Labradors, and German Shepherds are popular as guide dogs in that they have been bred to cooperat

In the statement, there are two independent clauses, 1. Golden Retrievers, Labradors, and German Shepherds are popular as guide dogs in that 2. they have been bred to cooperate with humans. Now two independent clauses should be connected using correlative conjunctions FANBOYS (For, And, Nor, But, Or...


Re: OG: Scientists say that, by bathing the skin cells in extracts of immune cells,

This question test our ability of grammatical construction. "by bathing the skin cells in extracts of immune cells" is a prepositional phrase (PP), so usage of that in underlined sentence is redundant. Similarly the main subject of clause should be Scientists / They. Option-A & B - as explained abov...


Re: OG: Educator Maria Montessori believed that students be allowed to choose from

This question tests our ability of grammatical construction (subjunctive mood) and diction (usage of between versus among) Subjunctive mood is used to make a suggestion, demand, recommendation etc , 'believe' does not come under same so that + be structure is not required here. Similarly when select...


Re: OG: Partly as a result of Proposition 13, which severely limits property tax increases

This question tests our ability of grammatical construction and idioms. From the non-underlined portions, California has already come to rely on personal incomes and statement after semicolon is there to explain so, therefore statement after semicolon should be in tense form to indicate that taxes i...


Re: OG: Dinosaur tracks show them walking with their feet directly under their bodies

This question test the concepts of 'agreement' and 'logical prediction' . Dinosaur is singular noun and cannot be presented by plural nouns (them, their) and non-underlined portion "not extended..." confirms that subject of main clause should be dinosaurs" Option A & B : we can straight away elimina...


Re: Supply-side economics believes in the national economy growing most vigorously both through reducing taxes, especial

This question tests the concepts of parallelism and idioms. Correct idiom is 'Both X and Y, in which X and Y should be grammatically parallel. (A) in the national economy growing most vigorously both through reducing taxes, especially taxes affecting large movements of capital, and by the eliminatio...


Re: The rectangular rug shown in the figure above has an accent border. What is the area of the portion of the...

Correct answer should be E. Let us take the dimensions for rug as x and y Statement-01 : perimeter x + y = 44 ; no information about the sides and width of border, so area of rug excluding the border cannot be determined Statement-02 : area of rug excluding border = (x-2)*(y-2) ; no information abou...


Re: OG: According to scientists, human expansion and the human appropriation

This question tests the concept of parallelism & subject verb agreement. Scientist are confirming that there are two causes, human expansion and human appropriation, of species extinction. They are connected by 'and' & requires parallel structure. Similarly 'X and Y' is a plural subject. A. expansio...


PS : Basics

Which of the following must be true ? a) A linear equation in one variable always gives a unique value of x. b) A quadratic equation in one variable always gives two unique value of x. c) (Even)^n is always even, where n is an integer. d) (Odd)^n can never be even, where n is an integer. e) |x| is a...

by k_rohit

Sun Jun 28, 2020 10:26 pm
Forum: Problem Solving
Topic: PS : Basics
Replies: 1
Views: 87

Re: The monthly fee for a certain cellular telephone plan is $0.25 per minute for the first...

Answer-D ; here is detailed explanation : Statement-01 :for calling time 180 minutes, fee 180 minutes X 0.25 $/Minute = 45 $ ; less than 60, Hence statement is sufficient Statement-02 : for calling time 460 minutes, fee : 200 minutes X 0.25 $/Minute + (460-200) minutes X 0.5 $/Minute = 200 X 0.25 + ...