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Economics QUESTION #1713

Among the structural inefficiencies plaguing Pakistan's electricity sector, which specific operational failure has been most directly responsible for the sector's financial losses and the accumulation of circular debt?

Excess installed generation capacity relative to actual demand (overcapacity)
High transmission and distribution (T&D) losses combined with electricity theft and under-recovery✔️
Prohibitively high electricity tariffs that suppress industrial and household demand
None of these

Correct Answer Logic:

Pakistan's power sector inefficiency is primarily driven by high transmission and distribution (T&D) losses — officially around 17–20% but effectively higher when electricity theft (kundas) is included — combined with poor bill recovery rates from distribution companies (DISCOs). These losses mean that significant electricity is generated and distributed but not paid for, creating a cash flow shortfall that cascades into the circular debt. Overcapacity (capacity payments) is a contributing but secondary factor.

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English QUESTION #8582

Question 2

What is the term for a husband who is ruled by his wife?

Penpricked
Henpecked✔️
Indebted
Liquidator

Correct Answer Logic:

Henpecked means dominated by one's wife.

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Mathematics QUESTION #6022

Question 3

If the determinant $\begin{vmatrix}x-4&2x&2x\\2x&x-4&2x\\2x&2x&x-4\end{vmatrix} = (A+Bx)(x-A)^2$, find the ordered pair $(A,B)$.

$(-4,5)$✔️
$(4,5)$
$(-4,-5)$
$(-4,3)$

Correct Answer Logic:

Apply $R_1\to R_1+R_2+R_3$: each element in row 1 becomes $5x-4$.

Factor out $(5x-4)$: $\Delta = (5x-4)\begin{vmatrix}1&1&1\\2x&x-4&2x\\2x&2x&x-4\end{vmatrix}$

Apply $C_2-C_1, C_3-C_1$: $= (5x-4)\begin{vmatrix}1&0&0\\2x&-x-4&0\\2x&0&-x-4\end{vmatrix} = (5x-4)(x+4)^2$

Comparing with $(A+Bx)(x-A)^2$: $A=-4$, $B=5$. So $(A,B)=\mathbf{(-4,5)}$.

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Population Health and Ethics QUESTION #3929

Question 4

A 50-year-old male patient asks about colorectal cancer screening. He has no symptoms and no family history of the disease. Which of the following is the recommended screening method for him?

Faecal occult blood test (FOBT) every two years✔️
Colonoscopy every ten years
Flexible sigmoidoscopy every five years
CT colonography every five years

Correct Answer Logic:

No explanation provided for this question.

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Physics QUESTION #4409

Question 5

The protons in the nucleus of an atom DO NOT exit due to:

Electromagnetic force
Gravitational Force
Weak Nuclear Force
Strong Nuclear Force✔️

Correct Answer Logic:

Although protons repel each other due to electromagnetic force, they are held together in the nucleus by the strong nuclear force, which is the strongest of the four fundamental forces and acts at very short ranges ($\approx 10^{-15}\ m$).

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Law QUESTION #9701

Question 6

Article 129 allows the Court to presume that a man in possession of stolen goods soon after theft is the thief or a receiver of stolen goods, UNLESS:

He is of good character
He can account for his possession✔️
He denies it under oath
He produces an alibi

Correct Answer Logic:

Article 129 Illustration (a) states the Court may presume the possessor is the thief or receiver 'unless he can account for his possession.'

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English QUESTION #2744

Question 7

Choose the CORRECT sentence.

The news are shocking.
The news were shocking.
The news is shocking.✔️
The news have been shocking.

Correct Answer Logic:

'News' is an uncountable noun and always takes a singular verb. So 'The news is shocking' is the correct sentence.

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Chemistry QUESTION #7823

Question 8

760 torr is equal to how many Pascals?

1
76
760
101325✔️

Correct Answer Logic:

Standard atmospheric pressure: 760 torr = 1 atm = 101325 Pa.

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Psychology QUESTION #9941

Question 9

Improved job satisfaction results in improvements in work performance and reductions in turnover.

Decrease; decrease
Increase; no change
Increase; increase
No change; decrease✔️

Correct Answer Logic:

Meta-analyses consistently show improved job satisfaction leads to increased work performance and decreased turnover. The negative relationship between satisfaction and turnover intention is among the most robust findings in I/O psychology.

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The Constitution of Pakistan QUESTION #9344

Question 10

A Bill to amend the Constitution that would alter the limits of a Province requires, in addition to two-thirds majorities in both Houses, what additional step?

Approval by a joint sitting by three-fourths majority
Approval by the Provincial Assembly concerned by not less than two-thirds of its total membership✔️
A referendum in the affected Province
A separate approval by the Senate alone

Correct Answer Logic:

Article 239(4) imposes this additional territorial integrity safeguard: no Bill altering provincial limits can be presented to the President for assent unless the affected Province's Assembly passes it by votes of not less than two-thirds of its total membership.

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Mathematics QUESTION #4100

Question 11

Using partial fractions $\dfrac{5Z-2}{Z(Z-1)}=\dfrac{2}{Z}+\dfrac{3}{Z-1}$, the value of $\displaystyle\oint_{|Z|=2}\dfrac{5Z-2}{Z(Z-1)}\,dZ$ by the Residue Theorem is:

$2\pi i$
$4\pi i$
$10\pi i$✔️
$6\pi i$

Correct Answer Logic:

Both poles $Z=0$ (residue $2$) and $Z=1$ (residue $3$) lie inside $|Z|=2$. By Cauchy's Residue Theorem: $\oint = 2\pi i(\text{Res}_{Z=0}+\text{Res}_{Z=1})=2\pi i(2+3)=10\pi i$.

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Physics QUESTION #7093

Question 12

A particle starts at $(2, 4)$ at $t=0$ with velocity $(5\hat{i}+4\hat{j})$. Constant acceleration is $(4\hat{i}+4\hat{j})$. Find its distance from the origin at $t=2\text{ s}$.

15 m
$20\sqrt{2}\text{ m}$✔️
5 m
$10\sqrt{2}\text{ m}$

Correct Answer Logic:

Using $\vec{s} = \vec{r}_0 + \vec{u}t + \frac{1}{2}\vec{a}t^2$:

$x = 2 + 5(2) + \frac{1}{2}(4)(2^2) = 2 + 10 + 8 = 20$
$y = 4 + 4(2) + \frac{1}{2}(4)(2^2) = 4 + 8 + 8 = 20$
Distance from origin $D = \sqrt{20^2 + 20^2} = 20\sqrt{2}\text{ m}$.

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Tourism & Hospitality Management QUESTION #1609

Question 13

The Front Office Operations course covers the 'Property Management System (PMS).' Which of the following best describes its function in hotel operations?

A physical blueprint used for hotel construction and renovation planning
An integrated computer-based system that manages guest reservations, check-in/out, room assignments, billing, night audit, and interfaces with other hotel departments✔️
A manual ledger system for recording guest payments
A marketing database for tracking customer preferences

Correct Answer Logic:

The PMS (Property Management System) is covered extensively in Module 7 of the Front Office Operations course. It is a centralized hotel management software that integrates guest registration, room management, billing, the night audit function, and interfaces with other systems (POS, reservation systems, housekeeping status) — replacing manual front office procedures.

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Boilers Mechanical Engineering QUESTION #2474

Question 14

The diametral pitch $P_d$ (English units) and module $m$ (SI units) are related by:

$m = P_d / 25.4$
$m \cdot P_d = \pi$
$m = 25.4 / P_d$✔️
$m = P_d \cdot 25.4$

Correct Answer Logic:

The relationship between module and diametral pitch: $m = 25.4/P_d$ (since 1 inch = 25.4 mm).

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Library Sciences QUESTION #1521

Question 15

Which of the following best describes a 'gazetteer' as a geographical reference source?

A collection of road maps for travelers
A geographical dictionary providing descriptions of places, physical features, and statistical data✔️
An atlas of historical maps
A directory of geography professors

Correct Answer Logic:

A gazetteer is a geographical dictionary or index that provides names, locations, and descriptive or statistical information about places — including cities, rivers, mountains, and regions — and is distinct from an atlas (which is a collection of maps).

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Education QUESTION #7568

Question 16

The logical order of content organization means arranging the content according to:

Course
Behavior
Design
Logical sequence✔️

Correct Answer Logic:

Logical sequence means organizing content in a step-by-step manner that follows natural progression, from simple to complex or from concrete to abstract.

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General Knowledge QUESTION #4758

Question 17

Parachinar is the administrative capital of which tribal agency?

Khyber Agency
North Waziristan
South Waziristan
Kurram Agency✔️

Correct Answer Logic:

Parachinar is the main town and administrative center of the Kurram Agency (now Kurram District) in the former FATA, located near the Afghan border.

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Academic/Professional (Social Sciences) QUESTION #6507

Question 18

Which perspective focuses on how individuals use symbols and face-to-face interactions to create social reality?

Functionalism
Conflict Theory
Symbolic Interactionism✔️
Feminism

Correct Answer Logic:

This micro-level theory focuses on the meanings people attach to their interactions.

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Biology QUESTION #7263

Question 19

Select one of the following pairs of important features that distinguish Gnetum from Cycas and Pinus and show affinities with angiosperms:

Perianth and two integuments
Embryo development and apical meristem
Absence of resin duct and leaf venation
Presence of vessel elements and absence of archegonia✔️

Correct Answer Logic:

Gnetum is unique among gymnosperms in having vessel elements in the xylem (like angiosperms) and absence of archegonia in the female gametophyte (like angiosperms). These two features bring it closest to the angiosperms among all gymnosperms and are strong indicators of angiosperm affinity.

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Islamic Studies QUESTION #7885

Question 20

Who led the Muslim forces during the Crusades?

Harun-ur-Rashid
Salah-ud-Din Ayubi✔️
Walid-bin-Abdul Malik
Ahmad Shah Qachar

Correct Answer Logic:

Salah-ud-Din Ayubi (Saladin) was the great Muslim leader who led the forces during the Crusades. He recaptured Jerusalem from the Crusaders in 1187 CE and was known for his military genius, chivalry, and justice. He founded the Ayyubid dynasty and united Muslim forces against the Crusaders.

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