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General Knowledge QUESTION #4776

Columbia
Barcelona
Buenos Aires✔️
Lima

Correct Answer Logic:

Buenos Aires is the capital and largest city of Argentina. It serves as the seat of the federal government and is the cultural and economic center of the country.

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The Constitution of Pakistan QUESTION #9365

Question 3222

Under Article 99(3) as amended by the 18th Amendment, who makes rules for allocation and transaction of business of the Federal Government?

The President
The Prime Minister
The Federal Government✔️
The Cabinet Division

Correct Answer Logic:

Article 99(3) provides: 'The Federal Government shall also make rules for the allocation and transaction of its business.' The 18th Amendment shifted this from 'the President' to 'the Federal Government,' reflecting the shift to genuine parliamentary government where the PM-led Cabinet is the effective executive.

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English QUESTION #8352

Question 3223

Alcohol is injurious _______ health.

For
To✔️
With
Of

Correct Answer Logic:

'Injurious to' is correct.

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Administration QUESTION #9536

Question 3224

A public manager simultaneously faces pressure from the legislature to cut expenditure, from citizens demanding better services, and from courts challenging a departmental policy. Which foundational characteristic of public administration most directly explains this multi-directional accountability?

Ambiguity of public sector goals
Pluralistic decision-making environment✔️
Pervasiveness of government power
Visibility of public managers' actions

Correct Answer Logic:

Public administration operates within a pluralistic decision-making environment where multiple constituencies — legislature, judiciary, citizens — all hold legitimate authority over the executive. This is structurally distinct from private management and is the root cause of multi-directional accountability.

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Physics and Math QUESTION #787

Question 3225

If $\sin\theta < 0$ and $\cos\theta > 0$ then in which quadrant does the terminal side of the angle lie?

1st
2nd
3rd
4th✔️

Correct Answer Logic:

In the 4th quadrant: $\sin\theta < 0$ and $\cos\theta > 0$. This matches the given conditions.

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Physics QUESTION #420

Question 3226

Light year is a measure of

Distance✔️
Time
Intensity of light
Velocity

Correct Answer Logic:

Light year is a unit of distance

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Psychology QUESTION #9877

Question 3227

Which of the following tests is likely to have the highest reliability?

The TAT
The Rorschach
The MMPI✔️
The Draw-a-Person tests

Correct Answer Logic:

The MMPI is an objective, standardized personality test with well-established high reliability. Projective tests (TAT, Rorschach, Draw-a-Person) rely on subjective interpretation, producing lower inter-rater and test-retest reliability.

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Psychology QUESTION #9925

Question 3228

Perfection is a problem most associated with the:

Id
Ego
Super ego✔️
Ego and super ego

Correct Answer Logic:

The superego — the moral, idealistic component of personality — sets impossible standards of perfection. When these standards are unmet, the superego generates guilt and self-criticism. Perfectionism is most associated with an overly strict superego.

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Security Measures to Maintain Law and Order QUESTION #900

Question 3229

To maintain order, "Secondary Screening" is typically triggered when:

A passenger is famous
Primary screening is inconclusive✔️
The flight is international
A passenger is late

Correct Answer Logic:

Secondary screening is a measure to maintain a sterile environment when initial electronic or physical checks fail to clear a threat.

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Verbal Reasoning QUESTION #8160

Question 3230

A random variable $Y$ follows a normal distribution with mean $200$ and standard deviation $10$. Compare:

Quantity A: The probability that $Y > 220$

Quantity B: $\dfrac{1}{6}$

Quantity A is greater
Quantity B is greater✔️
The two quantities are equal
The relationship cannot be determined from the information given

Correct Answer Logic:

The value $220$ is $\dfrac{220 - 200}{10} = 2$ standard deviations above the mean.

For a standard normal distribution, the probability that $Z > 2$ is approximately $0.0228$ (about $2.28\%$).

Quantity B $= \dfrac{1}{6} \approx 0.1667$.

Since $0.0228 < 0.1667$, Quantity A is less than Quantity B.

Therefore Quantity B is greater.

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Electrical Engineering QUESTION #2185

Question 3231

A $100\,\text{kVA}$, $11\,\text{kV}/400\,\text{V}$ transformer has iron losses $P_i = 500\,\text{W}$ and full-load copper losses $P_{cu} = 1200\,\text{W}$. The efficiency at half full-load and $0.8$ pf lagging is:

$98.0\%$✔️
$96.1\%$
$97.3\%$
$94.5\%$

Correct Answer Logic:

Output at half load $= 0.5\times100\times10^3\times0.8 = 40{,}000\,\text{W}$. Cu loss $= (0.5)^2\times1200 = 300\,\text{W}$. Iron loss $= 500\,\text{W}$ (constant). $\eta = \frac{40000}{40000+800}\times100 = \frac{40000}{40800} \approx 98.0\%$.

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Academic/Professional (Social Sciences) QUESTION #10100

Question 3232

A study following the same group of individuals over multiple time points is called a:

Cross-sectional study
Panel study✔️
Case study
Time-series study

Correct Answer Logic:

A panel study tracks the same subjects repeatedly over time.

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Reading and Writing (Module-1) QUESTION #5319

Question 3233

Although many critics originally found the artist's work to be ______, modern audiences often praise its bold use of color and unconventional subject matter. Which choice completes the text with the most logical and precise word?

perplexing✔️
transcendent
innovative
celebrated

Correct Answer Logic:

The word 'Although' indicates a contrast between the original view and the modern praise; 'perplexing' provides that negative/confusing contrast.

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Mathematics QUESTION #1262

Question 3234

Which of the following is the solution set of $x^2+x>2$?

($-\infty,-2)\cup(1,\infty)$✔️
($-2,1$)
($-\infty,-1)\cup(2,\infty)$
($-1,2$)

Correct Answer Logic:

Factor: $x^2+x-2>0\Rightarrow(x+2)(x-1)>0$. The product is positive when both factors are positive ($x>1$) or both negative ($x<-2$). Solution: $x\in(-\infty,-2)\cup(1,+\infty)$.

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Administration QUESTION #2910

Question 3235

Which of the following is considered a fundamental core value within Public Administration?

Social equity✔️
Accountability
Positive Attitude
All of these

Correct Answer Logic:

Social equity is a pillar of the "New Public Administration" movement, emphasizing fairness and justice in the delivery of public services.

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Pakistan Affairs QUESTION #9109

Question 3236

Who wrote the book 'Towards New Pakistan'?

Zahid Ahmed
Munir A. Khan
Dr. A.Q. Khan
Muhammad Ayub Khan✔️

Correct Answer Logic:

Field Marshal Ayub Khan wrote 'Towards New Pakistan'.

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MCQs Section QUESTION #5186

Question 3237

ضربِ مثل مکمل کریں: ایک پنتھ ______ کاج

دو✔️
تین
چار
ان میں سے کوئی نہیں

Correct Answer Logic:

درست ضربِ مثل ہے: 'ایک پنتھ دو کاج' یعنی ایک کام سے دو فائدے حاصل کرنا۔

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Library Sciences QUESTION #1536

Question 3238

In the context of library budgeting, a 'zero-based budget' requires managers to:

Carry forward the previous year's budget with a percentage increase
Justify every expenditure from scratch each budget cycle regardless of prior allocations✔️
Allocate funds only for new programs and services
Submit a budget with no surplus or deficit

Correct Answer Logic:

A zero-based budget (ZBB) requires every budget item to be re-justified from zero each cycle, regardless of what was spent previously. Unlike incremental budgeting, it forces managers to prioritize and justify all programs and expenditures anew — a demanding but thorough approach.

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Dairy Food Science and Technology QUESTION #5920

Question 3239

Which statement correctly distinguishes 'sweet whey' from 'acid whey'?

Sweet whey has higher fat content; acid whey has lower fat
Sweet whey ($\text{pH}\;5.9\text{–}6.3$) comes from rennet-coagulated cheese; acid whey ($\text{pH} < 5$) comes from acid-coagulated products like cottage cheese or paneer✔️
Sweet whey contains more lactose; acid whey contains more casein
Sweet whey is from buffalo milk; acid whey is from cow milk

Correct Answer Logic:

Sweet whey ($\text{pH} \approx 5.9\text{–}6.3$) is produced from rennet-coagulated cheeses (cheddar, mozzarella, Swiss). Acid whey ($\text{pH} \approx 4.3\text{–}4.6$) results from acid coagulation (cottage cheese, paneer, quark). Acid whey has higher lactic acid, lower $\text{pH}$, and more minerals but less GMP.

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Physics QUESTION #7047

Question 3240

A pinhole camera box of length $L$ has a hole of radius $a$. The spot size is the sum of geometrical spread and diffraction spread. At what value of $a$ is the spot size $b_{min}$ minimized?

$a = \sqrt{\lambda L}$ and $b_{min} = \frac{2\lambda^2}{L}$
$a = \sqrt{\lambda L}$ and $b_{min} = \sqrt{4\lambda L}$✔️
$a = \sqrt{\frac{\lambda L}{2}}$ and $b_{min} = 2\sqrt{2\lambda L}$
$a = \frac{\lambda^2}{L}$ and $b_{min} = \frac{2\lambda^2}{L}$

Correct Answer Logic:

Spot size $b \approx \text{geometric spread} + \text{diffraction spread} = a + \frac{L\lambda}{a}$.

To minimize $b$, differentiate with respect to $a$ and set to zero:

$\frac{db}{da} = 1 - \frac{L\lambda}{a^2} = 0 \implies a = \sqrt{\lambda L}$.

Substituting back: $b_{min} = \sqrt{\lambda L} + \frac{L\lambda}{\sqrt{\lambda L}} = 2\sqrt{\lambda L} = \sqrt{4\lambda L}$.

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