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Physics QUESTION #7321

The velocity of a particle is given by $v = At + Bt^2$, where $A$ and $B$ are constants. The distance travelled between $t = 1\text{ s}$ and $t = 2\text{ s}$ is:

$\dfrac{3}{2}A + 4B$
$3A + 7B$
$\dfrac{3}{2}A + \dfrac{7}{3}B$✔️
$\dfrac{A}{2} + \dfrac{B}{3}$

Correct Answer Logic:

$x = \displaystyle\int_1^2 v\,dt = \int_1^2 (At + Bt^2)\,dt = \left[\dfrac{At^2}{2} + \dfrac{Bt^3}{3}\right]_1^2$

$= \left(\dfrac{4A}{2} + \dfrac{8B}{3}\right) - \left(\dfrac{A}{2} + \dfrac{B}{3}\right) = \mathbf{\dfrac{3A}{2} + \dfrac{7B}{3}}$

Uploaded by: Fani Warraich

General Abilities QUESTION #2895

Question 702

Find Simple Interest on $\$1000$ at $5\%$ for $3$ years.

$\$50$
$\$150$✔️
$\$300$
$\$100$

Correct Answer Logic:

S.I. $= (P \times R \times T)/100 = (1000 \times 5 \times 3)/100 = 150$.

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Boilers Mechanical Engineering QUESTION #3993

Question 703

According to the Ordinance, a 'Boiler' is defined as a closed vessel exceeding a capacity of:

$10~liters$
$22.7~liters$ (or $5~gallons$)✔️
$100~liters$
$500~liters$

Correct Answer Logic:

Smaller vessels are typically excluded from the stringent inspection requirements of the Boiler Ordinance.

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General Knowledge QUESTION #4717

Question 704

Which is the largest agency of FATA (Federally Administered Tribal Areas) by land area?

North Waziristan
South Waziristan✔️
Khyber Agency
Bajaur Agency

Correct Answer Logic:

South Waziristan is the largest agency of FATA by geographic area, covering approximately 6,620 square kilometers.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5786

Question 705

The 'Risk' in a pharmacy setting is best defined as:

Potential harm
Likelihood of injury✔️
A hazard
An accident

Correct Answer Logic:

Risk is defined as the likelihood that injury or damage will occur[cite: 7].

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Chemistry QUESTION #473

Question 706

Which is the best drying agent in desiccators?

KOH
Gypsum
CaCl?✔️
Silica sand

Correct Answer Logic:

CaCl? is effective desiccant

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Islamic Studies QUESTION #7926

Question 707

What is the rate of Zakat on silver, gold and currency?

2%
2½%✔️
1½%
2.25%

Correct Answer Logic:

The rate of Zakat on silver, gold, and currency is 2.5% (or 2½%). This applies when the wealth reaches the Nisab (minimum threshold) and has been possessed for one complete lunar year. For gold, the Nisab is 87.48 grams, and for silver, it is 612.36 grams.

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Political Science QUESTION #6680

Question 708

Which US President introduced the 'New Deal'?

Theodore Roosevelt
Franklin D. Roosevelt✔️
Woodrow Wilson
None of these

Correct Answer Logic:

Franklin D. Roosevelt (FDR) launched the New Deal programs to address the Great Depression in the 1930s.

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Physics QUESTION #4384

Question 709

When an object attains terminal velocity, its acceleration is:

$9.8\ m/s^2$
Zero✔️
$1\ m/s^2$
$9.8\ m/s^2$ downward

Correct Answer Logic:

At terminal velocity, the net force on the object is zero — drag force equals gravitational force. By Newton's second law: $F_{net} = ma = 0$, so acceleration $a = 0$.

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Islamic Studies QUESTION #357

Question 710

"Ghazwa e Mouta" was fought in:

6 AH
7 AH
8 AH✔️
10 AH

Correct Answer Logic:

The Battle of Mu'tah took place in September 629 AD, which corresponds to 8 AH.+1

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Boilers Mechanical Engineering QUESTION #2464

Question 711

For a power screw, the efficiency $e$ is defined as the ratio of the ideal torque (frictionless) to the actual raising torque. For a square thread, $e$ equals:

$e = \frac{Fl}{2\pi T_r}$✔️
$e = \frac{T_r}{T_0}$
$e = \mu\tan\lambda$
$e = \frac{\pi d_m}{l}$

Correct Answer Logic:

The ideal (frictionless) torque to raise load $F$ through one revolution is $T_0=Fl/(2\pi)$. Efficiency: $e=T_0/T_r=Fl/(2\pi T_r)$.

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General Knowledge QUESTION #2621

Question 712

A computer's PORTS are best described as:

The internal slots inside the computer where RAM is installed
Connection points that we can connect devices to that extend the functionality of the computer✔️
The software instructions that help the CPU process data
The fans and heat sinks that cool down the computer components

Correct Answer Logic:

Ports are connection points that we can connect devices to that extend the functionality of our computer. Examples include USB ports, HDMI ports, audio jacks, and Ethernet ports — all located on the outside of the computer.

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Statistics QUESTION #1956

Question 713

Which branch of Statistics focuses on procedures and methodology for drawing valid conclusions from data?

Descriptive Statistics
Advanced Statistics
Inferential Statistics✔️
Applied Statistics

Correct Answer Logic:

Inferential Statistics deals with methods and procedures used to draw valid conclusions or make inferences about a population based on sample data.

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Civil Procedure QUESTION #3756

Question 714

A homeowner sells their house but does not record the deed. A week later, the same homeowner sells the house again to a different buyer who knows nothing about the first sale and records their deed immediately. In a 'Notice' jurisdiction, who owns the house?

The first buyer.
The second buyer.✔️
They share it.
The original owner.

Correct Answer Logic:

In a 'Notice' jurisdiction, a subsequent bona fide purchaser (BFP) who takes without notice of the prior unrecorded interest wins, regardless of whether they record first (though recording is still wise).

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Chemistry QUESTION #438

Question 715

The process of filtration is used to separate __________ particles from liquids.

Radial
Angular
Insoluble✔️
Soluble

Correct Answer Logic:

Filtration separates insoluble particles

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CISA QUESTION #1756

Question 716

Which of the following is NOT an advantage associated with a mature project management office (PMO)?

Advanced planning assistance
Master project register
Coordination of projects across departments
Independent projects✔️

Correct Answer Logic:

A mature PMO provides historical data, coordination, and governance visibility across all projects. Independent projects that operate outside the PMO create risk by removing organizational visibility and control — they are a disadvantage, not a benefit.

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Biology QUESTION #530

Question 717

The total inside capacity of lungs of adult human beings when fully inflated is

5 ml✔️
50 ml
500 ml
5000 ml

Correct Answer Logic:

Total lung capacity is about 5-6 liters (5000 ml)

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Mathematics QUESTION #1321

Question 718

The area enclosed between two curves $y=f(x)$ and $y=g(x)$ where $f(x)\geq g(x)$ on $[a,b]$ is given by:

$\int_a^b[f(x)+g(x)]\,dx$
$\int_a^b[f(x)-g(x)]\,dx$✔️
$\int_a^b[f(x)\cdot g(x)]\,dx$
$\dfrac{1}{2}\int_a^b[f(x)-g(x)]\,dx$

Correct Answer Logic:

The area between two curves is the integral of the top curve minus the bottom curve: $A=\int_a^b[f(x)-g(x)]\,dx$ where $f(x)\geq g(x)$ on $[a,b]$. The limits $a$ and $b$ are the $x$-coordinates of the intersection points.

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HR and Management QUESTION #6425

Question 719

According to the text, which factor has contributed most significantly to the proliferation and importance of HR functions through extensive record-keeping requirements?

Technological advancement and automation
Legislation and litigation requirements✔️
Globalization and international expansion
Workforce diversity initiatives

Correct Answer Logic:

Legislation and litigation have contributed enormously to the proliferation of HR functions. The record-keeping and reporting requirements of laws (equal employment, compensation, safety, labor relations) are so extensive that HR departments must work countless hours and often hire additional staff to comply.

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Physics QUESTION #1040

Question 720

A container with $V_1=2\ \text{L},\ n_1=5\ \text{mol},\ p_1=1\ \text{atm}$ and $V_2=3\ \text{L},\ n_2=4\ \text{mol},\ p_2=2\ \text{atm}$ is separated by a thermal insulator. When partition is removed, equilibrium pressure is:

1.4 atm
1.8 atm
1.3 atm
1.6 atm✔️

Correct Answer Logic:

Since the partition is a thermal insulator, after mixing the total internal energy is conserved. For ideal gas: $U \propto nT$. From ideal gas law: $T_1=\frac{p_1V_1}{n_1R}=\frac{1\times2}{5R}=\frac{2}{5R}$ and $T_2=\frac{2\times3}{4R}=\frac{6}{4R}$. Final $T_f = \frac{n_1T_1+n_2T_2}{n_1+n_2}=\frac{5\cdot\frac{2}{5R}+4\cdot\frac{6}{4R}}{9}=\frac{\frac{2}{R}+\frac{6}{R}}{9}=\frac{8}{9R}$. Final $p=\frac{(n_1+n_2)RT_f}{V_1+V_2}=\frac{9R\cdot\frac{8}{9R}}{5}=\frac{8}{5}=1.6\ \text{atm}$.

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