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Physics QUESTION #7337

A particle has initial velocity $(3\hat{i}+4\hat{j})$ and acceleration $(0.4\hat{i}+0.3\hat{j})$. Its speed after 10 s is:

10 units
7 units
$7\sqrt{2}$ units✔️
8.5 units

Correct Answer Logic:

Velocity at $t = 10\text{ s}$:

$\vec{v} = (3+0.4\times10)\hat{i} + (4+0.3\times10)\hat{j} = 7\hat{i}+7\hat{j}$

Speed $= \sqrt{7^2+7^2} = \sqrt{98} = \mathbf{7\sqrt{2}}$ units

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Law QUESTION #9494

Question 6542

A Court passes a decree directing B to hand over possession of a house to A. B vacates but his tenant T, who was not a party to the suit, refuses to vacate. A applies for execution against T. T argues he cannot be bound by a decree passed in a suit to which he was not a party. How should the Court proceed?

T must be impleaded as a party in a fresh suit
T is correct; a decree binds only parties to the suit
The Court can examine whether T is in possession as a representative or agent of B; if so, delivery of possession can be effected against T in execution without a separate suit✔️
T can only be dispossessed by a separate suit for eviction

Correct Answer Logic:

Under Order XXI CPC, a decree for possession of property can be executed against the judgment-debtor and those claiming through him, including tenants who entered possession after the suit was filed or who hold under the judgment-debtor in a representative capacity. The Court investigates T's status in the execution proceedings.

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Pakistan Affairs QUESTION #148

Question 6543

What was the cause of the earliest recorded Hindu-Muslim riot in Benares in 1809?

Economic tensions between the communities
Revenge for a perceived insult involving a mosque built on a sacred site✔️
Dispute over control of religious festivals
None of these

Correct Answer Logic:

The conflict centered on the Gyanvapi Mosque/Kashi Vishwanath temple site.

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Mathematics QUESTION #4139

Question 6544

What is $\nabla \times \vec{r}$ where $\vec{r} = x\hat{i} + y\hat{j} + z\hat{k}$?

$\vec{r}$
$\vec{0}$✔️
$3\hat{k}$
$\frac{\vec{r}}{r}$

Correct Answer Logic:

$\nabla \times \vec{r} = \begin{vmatrix} \hat{i} & \hat{j} & \hat{k} \ \partial_x & \partial_y & \partial_z \ x & y & z \end{vmatrix} = \hat{i}(0-0) - \hat{j}(0-0) + \hat{k}(0-0) = \vec{0}$.

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English Literature QUESTION #10720

Question 6545

What new system of printing books was developed in the 1400s?

Block Style Writing
Movable Type✔️
Calligraphy
Computer

Correct Answer Logic:

Movable Type printing was developed by Johannes Gutenberg in the 1440s–1450s in Germany, revolutionising book production. His Gutenberg Bible (~1455) was the first major book printed with this technology. Movable type allowed individual metal letters to be arranged, printed, and rearranged — making mass production of books possible for the first time. In England, William Caxton introduced printing in 1476.

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Physics QUESTION #7217

Question 6546

The equation of state of a real gas is expressed as $\left(P + \dfrac{a}{V^2}\right)(V - b) = RT$, where $P$ is pressure, $V$ is volume, $T$ is absolute temperature, and $a$, $b$, $R$ are constants. What are the dimensions of the constant $a$?

$[ML^5T^{-2}]$✔️
$[ML^{-1}T^{-2}]$
$[L^3]$
$[L^6]$

Correct Answer Logic:

Since quantities added or subtracted must have the same dimensions, $\dfrac{a}{V^2}$ must have the same dimensions as pressure $P$.

$[P] = [ML^{-1}T^{-2}]$ and $[V^2] = [L^6]$

Therefore: $[a] = [P][V^2] = [ML^{-1}T^{-2}][L^6] = [ML^5T^{-2}]$

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Reading and Writing (Module-1) QUESTION #10466

Question 6547

Despite years of ------- research, the biologists never managed to ------- the gene responsible for the rare disorder.

cursory . . overlook
painstaking . . isolate✔️
haphazard . . confirm
superficial . . dismiss

Correct Answer Logic:

Years of thorough ('painstaking') research would be aimed at trying to 'isolate' the gene.

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Mathematics QUESTION #11221

Question 6548

Dimension of $\text{Hom}(\mathbb{R}^3, \mathbb{R}^4) =$

$3$
$4$
$7$
$12$✔️

Correct Answer Logic:

$\text{Hom}(V,W)$ is the space of all linear transformations from $V$ to $W$. If $\dim V = m$ and $\dim W = n$, then $\dim\text{Hom}(V,W) = mn$. Here $m=3, n=4$, so $\dim\text{Hom}(\mathbb{R}^3,\mathbb{R}^4) = 3\times 4 = \mathbf{12}$.

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Islamic Studies QUESTION #7888

Question 6549

How many times has the word 'Zakat' been mentioned in the Holy Quran?

22
12 times
32 times✔️
42 times

Correct Answer Logic:

The word 'Zakat' appears 32 times in the Holy Quran. It is often mentioned alongside Salah (prayer), emphasizing the importance of both spiritual worship and social welfare in Islam. This frequent mention shows the significance of financial charity in Islamic teachings.

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Physical Education QUESTION #6807

Question 6550

A Subject Specialist implementing 'Pragmatism' in Physical Education would most likely prioritize:

Strict adherence to historical sports rules
Activities that solve social problems and encourage democratic cooperation✔️
Individual isolation and solitary meditation
The memorization of physiological terminology

Correct Answer Logic:

Pragmatism emphasizes 'learning by doing' and the social utility of activities in a community setting.

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Maths QUESTION #2866

Question 6551

Find the value of $x$ if $\sqrt{x} + 12 = 20$.

8
64✔️
16
400

Correct Answer Logic:

Subtract $12$ from both sides: $\sqrt{x} = 8$. Square both sides: $x = 8^2 = 64$.

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Civil Engineering QUESTION #6628

Question 6552

In prestressed concrete, 'Relaxation' refers to which phenomenon?

Loss of concrete strength over time
Decrease in stress in steel under constant strain✔️
Shortening of concrete due to sustained loading
The increase in tendon length due to temperature

Correct Answer Logic:

Steel relaxation is the decrease in stress of the prestressing steel when it is held at a constant strain over time.

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Academic/Professional (Social Sciences) QUESTION #10099

Question 6553

Qualitative research is best suited for:

Testing hypotheses with large samples
Exploring meanings, experiences, and social processes in depth✔️
Generating precise numerical predictions
Establishing statistical significance

Correct Answer Logic:

Qualitative methods prioritize in-depth understanding of meaning and experience over numerical generalization.

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Sociology QUESTION #1666

Question 6554

Robert K. Merton's enduring contribution to structural-functional theory involved distinguishing between the intended, recognized consequences of social institutions and those unintended, unrecognized consequences that may nonetheless serve important social functions. This distinction is captured in his concept of:

Social facts
Manifest and latent functions✔️
Rationalization
Social stratification

Correct Answer Logic:

Merton's distinction between manifest functions (intended, recognized consequences) and latent functions (unintended, unrecognized consequences) refined Parsonian functionalism by acknowledging that social institutions serve multiple purposes, some hidden from participants. He also introduced the concept of dysfunctions to account for negative consequences.

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Civil Procedure QUESTION #3754

Question 6555

A 'Joint Tenancy' is distinguished from a 'Tenancy in Common' primarily by:

The number of owners.
The right of survivorship.✔️
The type of property involved.
The length of the lease.

Correct Answer Logic:

In a joint tenancy, when one owner dies, their interest automatically passes to the surviving joint tenants (right of survivorship). In a tenancy in common, the interest passes to the deceased's heirs.

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General Knowledge QUESTION #8639

Question 6556

Which blood group is considered the universal donor?

A+
B+
AB+
O+✔️

Correct Answer Logic:

O- is universal donor, but among options O+ is best.

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Physics QUESTION #4416

Question 6557

If the length of a conductor is made 4 times its original length, its resistance becomes:

Quarter
Half
Zero
4 times✔️

Correct Answer Logic:

Resistance $R = \dfrac{\rho L}{A}$. Since $R \propto L$ (at constant cross-sectional area and resistivity), if $L$ becomes $4L$, then $R$ becomes $4R$. The resistance becomes $\mathbf{4}$ times the original.

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HR and Management QUESTION #6437

Question 6558

The primary purpose of Human Resource Planning (HRP) is to:

Ensure the right number and types of people are available when needed✔️
Reduce overall headcount to minimize costs
Comply with equal employment opportunity laws
Develop training programs for current employees

Correct Answer Logic:

HRP ensures that organizations have the right number of people, with the right skills, in the right places, at the right times. It's a proactive process linking HR activities to organizational strategy and forecasting future needs.

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FIA Act QUESTION #10000

Question 6559

A specified person neither seeks transfer to FIA within 30 days nor is otherwise directed to join. What is their status regarding the repealed Special Police?

They become unemployed
They continue in or under the Provincial Police post held before commencement✔️
They automatically join the FIA anyway
Their service is terminated by operation of law

Correct Answer Logic:

Absent a Section 9(4) direction, sub-section (3) preserves their existing Provincial Police posting.

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Pakistan Affairs QUESTION #7694

Question 6560

What is the name of border between Pakistan and Afghanistan?

LOC
Taftan
Durand Line✔️
None of these

Correct Answer Logic:

The Durand Line is the 2,670 km border between Pakistan and Afghanistan, established in 1893 by an agreement between Sir Mortimer Durand and Afghan Amir Abdur Rahman Khan. It remains a contentious border with historical and political significance.

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