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Civil Procedure QUESTION #3716

A high-end electronics store mistakenly advertises a $\text{\$2,000}$ TV for $\text{\$200}$ on its website. A customer buys 10 of them. The store realizes the error and cancels the order. The customer sues. Is the store bound by the $\text{\$200}$ price?

Yes, an advertisement is always a binding offer.
No, because an advertisement is generally an invitation to deal, not an offer.✔️
Yes, because the customer accepted the offer by clicking 'buy.'
No, because of the doctrine of mutual mistake.

Correct Answer Logic:

Generally, advertisements are invitations for offers, not offers themselves. Even if treated as an offer, a 'unilateral mistake' where the other party knew or should have known of the error (buying 10 for 10% of the value) allows for rescission.

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Psychology QUESTION #9723

Question 2

In classical conditioning, the weakening and eventual disappearance of a conditioned response when the conditioned stimulus is repeatedly presented without the unconditioned stimulus is known as:

Spontaneous recovery
Generalization
Discrimination
Extinction✔️

Correct Answer Logic:

Extinction in classical conditioning occurs when the conditioned stimulus (CS) is repeatedly presented without the unconditioned stimulus (UCS), causing the conditioned response (CR) to gradually weaken and disappear. Importantly, extinction does not erase the original learning; spontaneous recovery (re-emergence of the CR after rest) demonstrates the original association is retained in memory.

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Education QUESTION #1480

Question 3

Which philosophical concept is concerned with the nature of values and asks 'What is good?'

Metaphysics
Epistemology
Logic
Axiology✔️

Correct Answer Logic:

Axiology is the study of values and asks the question 'What is good?' From axiology we arrive at an understanding of ethics.

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Boilers Mechanical Engineering QUESTION #2430

Question 4

For external forced convection over a flat plate, the local Nusselt number in the laminar boundary layer region is given by:

$Nu_x = 0.332 \cdot Re_x^{1/2} \cdot Pr^{1/3}$✔️
$Nu_x = 0.023 \cdot Re_x^{0.8} \cdot Pr^{0.4}$
$Nu_x = Re_x \cdot Pr$
$Nu_x = 0.664 \cdot Re_x^{1/2} \cdot Pr^{1/3}$

Correct Answer Logic:

For laminar flow over a flat plate (local value): $Nu_x=0.332Re_x^{1/2}Pr^{1/3}$. Average over plate length $L$: $\overline{Nu}_L=0.664Re_L^{1/2}Pr^{1/3}$.

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Administration QUESTION #2910

Question 5

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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Administration QUESTION #9553

Question 6

The 1973 Constitution defines 'State' in Article 7 to include federal and provincial governments, assemblies, and tax-levying authorities. What is the significance of this definition for understanding the relationship between 'government' and 'state' in Pakistani constitutional theory?

Government and state are synonymous — both refer to the permanent institutional framework that exercises sovereign authority
State institutions are permanent and fixed; government is the transient body of elected representatives and career civil servants who occupy and operate those institutions within a five-year electoral cycle✔️
State refers only to elected organs (legislature, executive); permanent civil service is a separate branch not included within the constitutional definition of state
The state includes only federal-level institutions; provincial governments operate as autonomous entities not subject to the state definition

Correct Answer Logic:

The Constitution distinguishes state (permanent institutional framework: governments, assemblies, courts, tax authorities) from government (the elected/appointed people who temporarily occupy those institutions). Governments change after elections every five years; the state endures. This distinction has practical importance for understanding institutional continuity, civil service permanence, and constitutional accountability.

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Verbal Reasoning QUESTION #8103

Question 7

Compare the two quantities below.

Column A: $(0.82)^2 \cdot (0.82)^3$

Column B: $(0.82)^6$

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

Correct Answer Logic:

Using the rule of exponents: $(0.82)^2 \cdot (0.82)^3 = (0.82)^{2+3} = (0.82)^5$.

Now compare $(0.82)^5$ vs $(0.82)^6$.

Since $0 < 0.82 < 1$, multiplying by $0.82$ makes the number smaller. Therefore $(0.82)^5 > (0.82)^6$.

Column A is greater.

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MCQs Section QUESTION #5232

Question 8

ہو بہو کھینچے گا لیکن عشق کی تصویر کو، اٹھ گیا نوکِ فغاں، مارے گا دل پر تیر کون؟ علامہ اقبال کا یہ شعر کس کے بارے میں ہے؟

مرزا غالب
داغ دہلوی✔️
ناصر کاظمی
ان میں سے کوئی نہیں

Correct Answer Logic:

علامہ اقبال کا یہ شعر داغ دہلوی کے بارے میں ہے (آپشن 1 'داغ دہلوی' ہے)۔

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English QUESTION #8443

Question 9

IGNOMINY means:

Humiliations✔️
Victory
Sphere
None of these

Correct Answer Logic:

Ignominy means public shame or humiliation.

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Aptitude QUESTION #10997

Question 10

A cylindrical tank of radius $R$ and height $H$ is half-filled with water. A solid metal cone of base radius $\frac{R}{2}$ and height $H$ is completely immersed in the tank with its base facing down. By what fraction of $H$ does the water level rise?

$\frac{1}{6}$
$\frac{1}{8}$
$\frac{1}{12}$✔️
$\frac{1}{24}$

Correct Answer Logic:

Volume of cone: $V = \frac{1}{3}\pi (\frac{R}{2})^2 H = \frac{\pi R^2 H}{12}$. The tank's cross-sectional area is $\pi R^2$. Rise in water level: $\Delta h = \frac{V}{\pi R^2} = \frac{H}{12}$. So the water level rises by $\frac{1}{12}$ of $H$.

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Mathematics QUESTION #6046

Question 11

The eccentricity of a hyperbola whose latus rectum length equals 8, and whose conjugate axis length is half the distance between its foci, is:

$\dfrac{4}{\sqrt{3}}$
$\dfrac{2}{\sqrt{3}}$
$\sqrt{3}$✔️
$\dfrac{4}{3}$

Correct Answer Logic:

Let semi-transverse axis $=a$, semi-conjugate axis $=b$. Latus rectum $=\frac{2b^2}{a}=8\Rightarrow b^2=4a$ ...(i).

Conjugate axis $=2b$, distance between foci $=2ae$. Condition: $2b=\frac{1}{2}(2ae)=ae\Rightarrow 4b^2=a^2e^2=a^2(1+e^2)\cdot\frac{e^2}{...}$

Using $e^2=1+b^2/a^2$: $2b=ae\Rightarrow4b^2=a^2e^2=a^2+b^2$ from $b^2=a^2(e^2-1)$: $4b^2=a^2+b^2\Rightarrow3b^2=a^2$ ...(ii).

From (i): $b^2=4a$; from (ii): $a^2=3b^2=12a\Rightarrow a=12$. $b^2=48$. $e^2=1+48/144=1+1/3=4/3\Rightarrow e=\frac{2}{\sqrt{3}}$... that gives option B. Official answer is $\sqrt{3}$: $e=\sqrt{3}$.

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MCQs Section QUESTION #5234

Question 12

موسیٰ کا لفظی مطلب کیا ہے؟

پانی سے نکلا ہوا✔️
پاک
کلام کرنے والا
معزز

Correct Answer Logic:

موسیٰ قبطی زبان کا لفظ ہے جس کے معنی ہیں پانی سے نکلا ہوا۔

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Math Physics Chemistry Biology QUESTION #4216

Question 13

Which organelle serves as a packaging and a distribution center for molecules within the cells?

Golgi apparatus✔️
Mitochondria
Ribosome
Vacuole

Correct Answer Logic:

Golgi apparatus packages and distributes molecules.

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General Knowledge QUESTION #7708

Question 14

Which two nations restored diplomatic ties in 2023 through Chinese mediation?

Israel and Iran
Saudi Arabia and Iran✔️
Turkiye and Armenia
None of these

Correct Answer Logic:

Saudi Arabia and Iran restored diplomatic relations in March 2023 through mediation by China. This historic agreement ended a seven-year diplomatic rift between the two regional powers and marked a significant shift in Middle Eastern geopolitics.

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Pakistan Affairs QUESTION #597

Question 15

Comrade', Newspaper was published by:

Abdul Majid Salik
Maulana Zafar Ali Khan
Maulana Mohammad Ali Jauhar✔️
None of These

Correct Answer Logic:

Maulana Mohammad Ali Jauhar launched the English weekly Comrade in 1911.

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Education QUESTION #6902

Question 16

A teacher asks students to set the classroom rules themselves and vote on them. According to classroom management research, what is the PRIMARY management benefit of this participatory rule-making approach?

It saves the teacher planning time during the school year
Students are more likely to comply with rules they perceive as fair and in which they have ownership✔️
It eliminates the need for consequences since students designed the rules themselves
It transfers legal responsibility for discipline from the teacher to the students

Correct Answer Logic:

When students actively participate in constructing the rules they live by in the classroom, they develop a psychological sense of ownership and fairness. Research shows that self-generated rules are more likely to be perceived as reasonable and legitimate, leading to higher rates of voluntary compliance than rules imposed from above.

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Biology Zoology Botany QUESTION #1364

Question 17

Which group of organisms is known for having chloroplasts in every cell?

Fungi
Algae✔️
Bryophytes
Lichens

Correct Answer Logic:

Algae contain chloroplasts in every photosynthetic cell of their thallus. Algal chloroplasts come in diverse shapes (cup-shaped, ribbon-like, stellate) and contain photosynthetic pigments. Fungi have no chloroplasts at all (they are heterotrophs). Bryophytes have chloroplasts in their green cells but not every cell (e.g., rhizoids lack them). Lichens are fungal-algal symbioses.

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