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Accounting & Finance QUESTION #6233

Question 7781

Which ethical principle prevents an auditor from using client information for personal gain?

Integrity
Professional Behavior
Confidentiality✔️
Due Care

Correct Answer Logic:

Confidentiality dictates that the auditor should not disclose info without permission nor use it for personal benefit.

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Mathematics QUESTION #11138

Question 7782

The number of degrees of freedom of two particles connected by a rigid rod moving freely in a plane is:

$2$
$3$✔️
$4$
$5$

Correct Answer Logic:

Each particle in a plane has 2 degrees of freedom (DOF). Two particles → $2\times 2 = 4$ DOF. The rigid rod imposes 1 constraint (constant distance between the particles). Therefore: $\text{DOF} = 4 - 1 = \mathbf{3}$.

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Mathematics QUESTION #7466

Question 7783

If $5(\tan^2 x - \cos^2 x) = 2\cos 2x + 9$, then the value of $\cos 4x$ is:

$-\frac{3}{5}$
$\frac{1}{3}$
$\frac{2}{9}$
$-\frac{7}{9}$✔️

Correct Answer Logic:

Starting with $5(\tan^2 x - \cos^2 x) = 2\cos 2x + 9$. We have $\tan^2 x = \frac{\sin^2 x}{\cos^2 x}$, so $5(\frac{\sin^2 x}{\cos^2 x} - \cos^2 x) = 2\cos 2x + 9$. Multiplying through by $\cos^2 x$: $5\sin^2 x - 5\cos^4 x = 2\cos 2x \cos^2 x + 9\cos^2 x$. This becomes complex. Alternatively, using $\cos 2x = 2\cos^2 x - 1 = 1 - 2\sin^2 x$ and manipulating: after algebraic simplification, we get $\cos 4x = -\frac{7}{9}$.

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English QUESTION #2661

Question 7784

Which word is similar in meaning to: 'ENIGMATIC'?

Simple
Mysterious✔️
Clear
Loud

Correct Answer Logic:

'Enigmatic' refers to something difficult to understand or 'mysterious'.

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Education QUESTION #6904

Question 7785

Which of the following BEST characterizes the difference between 'primary prevention,' 'secondary prevention,' and 'tertiary prevention' in the context of school violence control?

Primary targets all students; secondary targets teachers; tertiary targets parents
Primary prevents problems from emerging through curriculum design; secondary provides tailored interventions for at-risk students; tertiary delivers intensive wraparound services for the most severely at-risk✔️
Primary uses counseling; secondary uses suspension; tertiary uses expulsion
Primary is annual; secondary is termly; tertiary is weekly

Correct Answer Logic:

These three levels of violence prevention form a tiered intervention model. Primary prevention is universal and proactive — embedding anti-violence principles in the curriculum for all students. Secondary prevention is selective — targeting students showing early at-risk indicators. Tertiary prevention is intensive — providing comprehensive, multi-agency support for students with severe behavioral and social challenges.

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English QUESTION #8344

Question 7786

Choose the meaning of the idiom 'Hide one's light under a bushel':

To save electricity
To conceal one's talents✔️
To avoid limelight
To use light in moderation

Correct Answer Logic:

It means to hide one's abilities or talents.

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General Ability and Fire Fighting QUESTION #5619

Question 7787

The P.A.S.S. technique is used when operating which type of firefighting equipment?

Fire hose
Sprinkler system
Portable fire extinguisher✔️
Breathing apparatus

Correct Answer Logic:

P.A.S.S. (Pull

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3279

Question 7788

Bacteria that require oxygen to survive are called:

Obligate Anaerobes
Obligate Aerobes✔️
Facultative Anaerobes
Microaerophiles

Correct Answer Logic:

Obligate aerobes cannot grow without a supply of oxygen.

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Administration QUESTION #9577

Question 7789

A country imposes a requirement that all imported pharmaceutical products must undergo domestic re-testing, despite having been certified by internationally recognized bodies. This measure is best classified as which type of trade barrier, and what is its primary effect on LDCs?

A tariff-rate quota — raising the effective cost of imports through a two-tier price system
A technical barrier to trade (TBT) — imposing compliance costs that disproportionately harm LDC exporters who lack resources to meet redundant certification requirements✔️
An anti-dumping duty — protecting domestic pharmaceutical manufacturers from below-cost foreign competition
A voluntary export restraint — limiting LDC pharmaceutical export volumes through bilateral negotiation

Correct Answer Logic:

Redundant domestic re-testing is a classic technical barrier to trade (TBT) under WTO classification. Unlike tariffs, TBTs are non-transparent and selectively burdensome — LDC exporters typically cannot afford repeated certification cycles, effectively excluding them from export markets despite having internationally valid certifications.

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Education QUESTION #10878

Question 7790

To maintain greater interest and attention among students in class, a teacher should:

Use the blackboard
Use pictures
Tell stories
Ask questions✔️

Correct Answer Logic:

Asking questions is the most effective classroom technique for maintaining student interest and attention. Questions require active cognitive engagement, create intellectual challenge, check understanding, promote thinking, and involve all students. Effective questioning through Socratic dialogue keeps students mentally alert throughout a lesson. While other methods (pictures, stories, blackboard) also engage students, questioning is the most direct, interactive, and universally effective technique for sustained attention.

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Therapeutics and Patient Care QUESTION #3875

Question 7791

What is the first-line pharmacological treatment for a confirmed infestation with \textit{Sarcoptes scabiei}?

Permethrin✔️
Mebendazole
Malathion
Tinidazole

Correct Answer Logic:

Topical permethrin $5\%$ cream is the first-line treatment for scabies, applied to all body surfaces from neck down and washed off after $8$–$14$ hours.

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General Knowledge QUESTION #4781

Question 7792

The Channel Tunnel is an undersea rail tunnel linking which two countries?

England and Ireland
England and France✔️
France and Germany
Belgium and England

Correct Answer Logic:

The Channel Tunnel (Chunnel) is a 50.45-kilometer railway tunnel beneath the English Channel, linking Folkestone in England with Coquelles near Calais in northern France.

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Psychology QUESTION #9741

Question 7793

Which cognitive distortion, commonly targeted in Cognitive-Behavioral Therapy (CBT), involves expecting the worst possible outcome in any situation?

Overgeneralization
Catastrophizing✔️
Mental filtering
Personalization

Correct Answer Logic:

Catastrophizing (also called 'magnification' or 'fortune-telling') is a cognitive distortion in which a person automatically assumes the worst possible outcome will occur. For example, missing one exam leads to thoughts of total failure and a ruined life. CBT, developed by Aaron Beck, identifies and challenges such irrational automatic thoughts through cognitive restructuring and behavioral experiments.

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English QUESTION #7634

Question 7794

Running fast they caught the last bus.

Noun phrase
Adjective phrase✔️
Adverb phrase
None of these

Correct Answer Logic:

'Running fast' is an adjective phrase (participial phrase) that modifies 'they', describing the manner in which they caught the bus. It acts as an adjective by providing information about the subject.

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Pakistan Affairs QUESTION #9079

Question 7795

Pakistan and Afghanistan signed a 'Transit Trade Agreement' in which year?

1955✔️
1959
1962
1965

Correct Answer Logic:

The Afghanistan-Pakistan Transit Trade Agreement was signed in 1965? Key says D 1965.

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General Knowledge QUESTION #8742

Question 7796

The Equator, the Tropic of Cancer, and the Tropic of Capricorn all pass through which continent?

Africa✔️
Asia
South America
None above

Correct Answer Logic:

All three major circles of latitude pass through Africa.

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Maths QUESTION #2811

Question 7797

A student scored 540 marks out of 750. What percentage did the student score?

68%
70%
72%✔️
75%

Correct Answer Logic:

Percentage $= \dfrac{540}{750} \times 100 = \dfrac{54000}{750} = 72\%$.

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Quantitative Reasoning QUESTION #8036

Question 7798

PROLOGUE : NOVEL :: (Find the pair that best matches the relationship between the given words)

preamble : statute✔️
sketch : drawing
movement : symphony
index : book

Correct Answer Logic:

A PROLOGUE is an introductory section of a NOVEL that comes before the main content. A preamble is an introductory section of a statute (law) that precedes the main legal text. Both pairs = [introductory preface] : [the larger work it belongs to]. 'Index:book' is part of a book but appears at the end. 'Movement:symphony' is a component, not an introduction.

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Academic/Professional (Social Sciences) QUESTION #6487

Question 7799

What term did Emile Durkheim use to describe a state of normlessness during periods of rapid social change?

Alienation
Anomie✔️
False Consciousness
Social Disorganization

Correct Answer Logic:

Anomie occurs when social norms break down, leading to a lack of moral guidance for individuals.

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Mathematics QUESTION #6968

Question 7800

Find the derivative of $\tan^{-1}\!\left(\dfrac{\sin x-\cos x}{\sin x+\cos x}\right)$ with respect to $\dfrac{x}{2}$, for $x\in\left(0,\dfrac{\pi}{2}\right)$.

1
$\dfrac{2}{3}$
$\dfrac{1}{2}$
2✔️

Correct Answer Logic:

$\dfrac{\sin x-\cos x}{\sin x+\cos x} = \tan\!\left(x-\dfrac{\pi}{4}\right)$

So $f(x)=\tan^{-1}\!\left(\tan\!\left(x-\dfrac{\pi}{4}\right)\right)=x-\dfrac{\pi}{4}$ (within the principal range).

$\dfrac{df}{dx}=1$.

Let $g(x)=x/2$, so $dg/dx=1/2$.

Derivative of $f$ w.r.t. $g$: $\dfrac{df/dx}{dg/dx}=\dfrac{1}{1/2}=\mathbf{2}$

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