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Study questions platform-wide or filter by specific tests with correct answers revealed.
Maths
QUESTION #4624
Question 2941
What is $\frac{1}{2} + \frac{1}{3} + \frac{1}{6}$?
Correct Answer Logic:
$\frac{3}{6} + \frac{2}{6} + \frac{1}{6} = \frac{6}{6} = 1$
Uploaded by: Fani Warraich
Correct Answer Logic:
Shared accounts eliminate individual accountability—a fundamental security and auditing principle. When multiple people use the same credentials, it becomes impossible to determine who performed specific actions, preventing investigation of incidents, fraud detection, and establishing non-repudiation.
Uploaded by: Fani Warraich
Physics
QUESTION #409
Question 2943
A pipe varies uniformly in diameter from 2 m to 4 m. An incompressible fluid enters the pipe with velocity 16m/sec. What is velocity of fluid when it leaves the pipe?
Planning
QUESTION #4995
Question 2944
Which Act is considered foundational for modern UK planning legislation?
Correct Answer Logic:
The Town and Country Planning Act 1947 revolutionized UK planning by nationalizing development rights, introducing development control requiring planning permission, creating comprehensive development plans, and establishing the framework for modern statutory planning systems.
Uploaded by: Fani Warraich
Pharmacokinetics and Pharmacodynamics
QUESTION #3829
Question 2945
A paediatric patient weighing $30$ kg is prescribed metronidazole $250$ mg every $8$ hours. Each mL of a $500\ \text{mg}/500\ \text{mL}$ ampoule contains $0.135\ \text{mmol/mL}$ sodium. What is the total sodium intake over $24$ hours?
Correct Answer Logic:
Three doses of $250$ mg each $= 3 \times 250\ \text{mL}$ of the solution. Volume per dose $= 250\ \text{mL}$, total $= 750\ \text{mL}$. Sodium $= 750 \times 0.135 = 101.3\ \text{mmol}$.
Uploaded by: Fani Warraich
Paper-II (Pharmacognosy and Pharmaceutics-I)
QUESTION #3651
Question 2946
'Pyrethrum' is a natural drug used as an:
Correct Answer Logic:
It is derived from Chrysanthemum flowers and is toxic to insects.
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Islamic Studies
QUESTION #353
Question 2947
The book "The Preaching of Islam" is written by:
Correct Answer Logic:
Sir Thomas Walker Arnold wrote this classic work on the history of the propagation of the Muslim faith.+1
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Security Measures to Maintain Law and Order
QUESTION #862
Question 2948
Under Section 8, being "Always on Duty" means an officer must maintain professional conduct:
Correct Answer Logic:
Being "always on duty" implies that an officer's conduct must reflect the Force's values 24/7, as they are subject to service law at all times.
Uploaded by: Fani Warraich
Paper-I (Anatomy/Physiology and Biochemistry/Microbiology)
QUESTION #3203
Question 2949
The 'Renin-Angiotensin-Aldosterone System' (RAAS) is activated in response to:
Correct Answer Logic:
RAAS is a compensatory mechanism to increase blood volume and pressure.
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Economics
QUESTION #1710
Question 2950
According to the World Bank's income classification using GNI per capita (Atlas method), Pakistan is currently placed in which income category?
Correct Answer Logic:
The World Bank classifies Pakistan as a lower-middle-income country (LMIC). As of recent classifications, Pakistan's GNI per capita falls within the lower-middle-income range (approximately USD 1,136–4,465). It is above the low-income threshold but well below the upper-middle-income threshold. This classification affects Pakistan's access to concessional lending (IDA blend status) and its obligations under various international agreements.
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Psychology
QUESTION #9931
Question 2951
According to Erikson's theory, the central struggle during adolescence is:
Correct Answer Logic:
Erikson's stage for adolescence (ages 12–18) centers on Identity versus Role Confusion — forming a coherent self-concept. Success produces a stable identity; failure leads to role confusion and identity diffusion.
Uploaded by: Fani Warraich
Administration
QUESTION #2911
Question 2952
What term describes the integration of private-sector business methodologies into the management of public services?
Correct Answer Logic:
Public Management focuses on the efficiency and effectiveness of government operations by adopting business-like practices.
Uploaded by: Fani Warraich
English
QUESTION #2658
Question 2953
Change to indirect: '“Don’t smoke,” the doctor said to me.'
Correct Answer Logic:
Imperative sentences with 'don't' are typically changed to 'advised/ordered + not to + verb'.
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Boilers Mechanical Engineering
QUESTION #4056
Question 2955
'Corrosion' in a boiler can be categorized as:
Mathematics
QUESTION #4116
Question 2956
Let $W$ be the subspace of all symmetric $2 \times 2$ matrices. What is $\dim(W)$?
Correct Answer Logic:
Symmetric $2 \times 2$ matrices have form $\begin{pmatrix} a & b \ b & c \end{pmatrix}$. Basis: $\begin{pmatrix} 1 & 0 \ 0 & 0 \end{pmatrix}$, $\begin{pmatrix} 0 & 1 \ 1 & 0 \end{pmatrix}$, $\begin{pmatrix} 0 & 0 \ 0 & 1 \end{pmatrix}$. Dimension is 3.
Uploaded by: Fani Warraich
Correct Answer Logic:
Since \(\vec{u}\) is coplanar with \(\vec{a}\) and \(\vec{b}\), we can write \(\vec{u} = x\vec{a} + y\vec{b} = x(2\hat{i}+3\hat{j}-\hat{k}) + y(\hat{j}+\hat{k}) = 2x\hat{i} + (3x+y)\hat{j} + (-x+y)\hat{k}\). Condition \(\vec{u} \perp \vec{a}\): \(\vec{u} \cdot \vec{a} = 2x(2) + (3x+y)(3) + (-x+y)(-1) = 0\), giving \(4x + 9x + 3y + x - y = 0\), so \(14x + 2y = 0\), thus \(y = -7x\). Condition \(\vec{u} \cdot \vec{b} = 24\): \((3x+y)(1) + (-x+y)(1) = 24\), giving \(3x+y-x+y = 24\), so \(2x+2y = 24\), thus \(x+y = 12\). From \(y=-7x\): \(x-7x = 12\), so \(-6x=12\) and \(x=-2\), giving \(y=14\). Thus \(\vec{u} = -4\hat{i} + 8\hat{j} + 16\hat{k}\), and \(|\vec{u}|^2 = 16 + 64 + 256 = 336\).
Uploaded by: Fani Warraich
Islamic Studies
QUESTION #8225
Question 2960
What are Ushr and Khums?
Correct Answer Logic:
Ushr and Khums are two types of Islamic taxes. Ushr is a 10% (or 5% if irrigated) agricultural tax on produce from land. Khums literally means 'one-fifth' and is a 20% tax on war booty, treasure troves, and certain types of income. These Islamic fiscal policies ensure wealth distribution and support the state treasury (Bayt al-Mal) to help the poor and fund public welfare.
Uploaded by: Fani Warraich
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