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Mathematics QUESTION #11138

The number of degrees of freedom of two particles connected by a rigid rod moving freely in a plane is:

$2$
$3$✔️
$4$
$5$

Correct Answer Logic:

Each particle in a plane has 2 degrees of freedom (DOF). Two particles → $2\times 2 = 4$ DOF. The rigid rod imposes 1 constraint (constant distance between the particles). Therefore: $\text{DOF} = 4 - 1 = \mathbf{3}$.

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Planning QUESTION #4929

Question 2482

What does FAR (Floor Area Ratio) measure?

Building height to width ratio
Total floor area to plot area ratio✔️
Number of floors in a building
Facade area to plot ratio

Correct Answer Logic:

FAR is calculated as $\frac{\text{Total Floor Area}}{\text{Plot Area}}$ and indicates development intensity, controlling building bulk and density on a site.

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General Knowledge QUESTION #8740

Question 2483

What was the name of the first space shuttle launched by the United States on April 12, 1981?

Discovery
Endeavor
Columbia✔️
Atlantis

Correct Answer Logic:

Columbia was the first space shuttle to fly.

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Administration QUESTION #9574

Question 2484

The 'Government of India Act 1935' introduced two significant provisions relevant to Pakistan's current administrative structure. What were these provisions, and how did they shape the post-independence civil service?

It introduced the provincial civil service and created the post of Governor General — both were retained after independence with minor modifications
It provided security of tenure for civil servants (no dismissal without hearing/right of appeal) and gave the provinces financial autonomy — establishing the principle of civil servant protection that was later codified in Pakistan's Civil Servants Act 1973✔️
It created the Federal Public Service Commission and the first competitive examination system for entry to the Indian Civil Service — the structural predecessor of Pakistan's FPSC
It established the first merit-based promotion system and abolished seniority-based advancement — a principle reversed by subsequent Pakistani governments

Correct Answer Logic:

The Government of India Act 1935 introduced two landmark protections: security of tenure (no dismissal without due process, including right of appeal up to Secretary of State) and provincial financial autonomy. The security of tenure principle became foundational to civil service independence in Pakistan — codified in the Civil Servants Act 1973 — while provincial financial autonomy laid conceptual groundwork for federalism and NFC-type resource-sharing mechanisms.

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MCQs Section QUESTION #4906

Question 2485

A patient accusing a doctor of malpractice will find it difficult to prove damage _____ about proper medical procedures.

if there is a lack of some other doctor to testify
unless there will be another doctor to testify
without another doctor's testimony✔️
should there be no testimony from some other doctor

Correct Answer Logic:

Without another doctor's testimony' is the most concise and idiomatic expression. Option A is wordy and unnatural ('lack of some other doctor'). Option B incorrectly uses future tense 'will be' inside a conditional clause. Option D is unnecessarily wordy. Option E (not shown) produces a dangling participial.

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Maths QUESTION #2892

Question 2486

Next number in series: $100, 90, 81, 73, \dots$

65
66✔️
64
67

Correct Answer Logic:

The difference decreases: $-10, -9, -8$. Next is $-7$, so $73 - 7 = 66$.

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Accounting & Finance QUESTION #6117

Question 2487

Which stakeholders focus mainly on the liquidity of a business?

Government
Lenders
Public and environmental bodies
Suppliers

1 and 2
1 and 4
2 and 3
2 and 4✔️

Correct Answer Logic:

Option D (2 and 4) is correct.

Lenders: Need to know if the business can meet short-term obligations and repay loans.
Suppliers: Need to know if the business can pay its bills on time.

Government focuses on profitability/tax. Public/environmental bodies focus on social impact.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3100

Question 2488

Which blood vessel carries deoxygenated blood from the heart to the lungs?

Superior Vena Cava
Aorta
Pulmonary Artery✔️
Pulmonary Vein

Correct Answer Logic:

The pulmonary artery is the only artery that carries deoxygenated blood.

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Boilers Mechanical Engineering QUESTION #3996

Question 2489

Under the Ordinance, who is responsible for reporting an 'Accident' involving a boiler?

The local police
The owner or person in charge of the boiler✔️
The insurance company
The neighboring factory

Correct Answer Logic:

The owner must report accidents within 24 hours to the Chief Inspector.

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Reading and Writing (Module-1) QUESTION #5439

Question 2490

Ancestral Puebloans dispersed in late 1200s, abandoning villages. Turkey remains at Mesa Verde share genetic markers with modern Rio Grande turkeys after 1280. Thus, researchers concluded that ____

terrain conditions in Rio Grande and Mesa Verde were more similar in the past.
some Ancestral Puebloans migrated to Rio Grande Valley in late 1200s with farming practices.✔️
Rio Grande peoples primarily planted crops and didn't cultivate turkeys before 1280.
Mesa Verde Puebloans adopted farming practices from other regions.

Correct Answer Logic:

Shared genetic markers after 1280 suggest migration of turkeys (and likely people) from Mesa Verde to Rio Grande.

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General Knowledge QUESTION #4750

Question 2491

India's Kishanganga Dam (also known as Kishan Ganga) is being constructed in which area?

Jammu
Srinagar
Baramula✔️
Kargil

Correct Answer Logic:

The Kishanganga Hydroelectric Plant is located near Bandipore in the Baramulla district of Indian-administered Jammu and Kashmir.

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Planning QUESTION #5006

Question 2492

In fiscal impact analysis, what does the multiplier effect measure?

Direct tax revenue only
Total economic impact including indirect effects✔️
Population growth rate
Infrastructure costs

Correct Answer Logic:

The multiplier effect captures how initial spending generates successive rounds of economic activity. For example, a multiplier of 2.5 means each dollar of direct investment generates $2.50 in total regional economic output through indirect (supplier) and induced (household spending) effects.

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Reading and Writing (Module-1) QUESTION #5374

Question 2493

A lesson from the 2003 Human Genome Project is that genes are influenced by many things, including their interactions with proteins. ______ researchers have now begun to study the human 'proteome' (the full set of proteins) rather than just looking at the genome alone. Which choice completes the text with the most logical transition?

In other words,
That said,
For example,
Accordingly,✔️

Correct Answer Logic:

'Accordingly' (therefore) shows that the shift in research focus is a logical response to the discovery mentioned.

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Social Studies QUESTION #10038

Question 2494

Which of the following is a recognized benefit of gender mainstreaming?

Increased efficiency
Improved effectiveness
Enhanced accountability
All of these✔️

Correct Answer Logic:

Gender mainstreaming is associated with improved efficiency, effectiveness, and accountability in policy outcomes.

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Womens Health [Obs] [Gyn] QUESTION #3922

Question 2495

A 35-year-old multiparous woman presents with heavy and painful menstrual periods (menorrhagia and dysmenorrhea) for the past 6 months. Physical examination shows a symphysis-fundal height of $14$ weeks, with a firm, irregular, and non-tender uterus. What is the most likely diagnosis?

Uterine leiomyomata (fibroids)✔️
Endometrial hyperplasia
Adenomyosis
Endometrial carcinoma

Correct Answer Logic:

No explanation provided for this question.

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Chemistry QUESTION #5584

Question 2496

In the Lucas test, which alcohol reacts the fastest and by which mechanism?

Secondary alcohol by $S_N1$
Tertiary alcohol by $S_N1$✔️
Secondary alcohol by $S_N2$
Tertiary alcohol by $S_N2$

Correct Answer Logic:

Lucas reagent is $ZnCl_2$/conc. HCl. The reaction involves formation of a carbocation ($S_N1$). Tertiary alcohols form the most stable tertiary carbocations, so they react immediately (solution turns turbid at once). Secondary alcohols react slowly, and primary alcohols require heating. The mechanism for tertiary (and secondary) alcohols is $S_N1$.

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Accounting & Finance QUESTION #6078

Question 2497

A company's bank reconciliation shows:

Cash book balance (31 Dec)	$2,075 debit
Bank statement balance (31 Dec)	$2,250 credit
Bank charges not in cash book	$150
Outstanding cheques	$325

What bank balance should be reported in the financial statements?

$1,600
$1,925✔️
$2,075
$2,225

Correct Answer Logic:

The financial statements show the updated cash book balance. Updated Cash Book = Draft Cash Book ($2,075) - Bank Charges ($150) = $1,925. Note that outstanding cheques are used to reconcile the bank statement to the cash book, not the other way around.

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MBBS QUESTION #10304

Question 2498

A patient develops bloating, flatulence, and osmotic diarrhea after consuming dairy products. This is most consistent with deficiency of which brush-border enzyme, which normally hydrolyzes lactose into glucose and galactose?

Sucrase
Lactase✔️
Maltase
Amylase

Correct Answer Logic:

Lactase deficiency (common in adults of many populations after weaning) prevents hydrolysis of the disaccharide lactose; undigested lactose passes into the colon where bacterial fermentation produces gas and an osmotic load, causing the classic symptoms of lactose intolerance.

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Planning QUESTION #4997

Question 2499

What does 'primate city' phenomenon indicate in urban systems?

Equal distribution of city sizes
Dominance of one disproportionately large city✔️
Multiple cities of similar size
Declining urban population

Correct Answer Logic:

A primate city is disproportionately larger (typically 2+ times) than the second-largest city, dominating the urban system economically and politically. Common in developing countries, it often indicates centralized development and regional imbalances.

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Accounting & Finance QUESTION #1219

Question 2500

The authority to remove the first auditor before the expiry of term is with:

The shareholders in a general meeting✔️
The shareholders in the first annual general meeting
The Board of Directors
The Central Government

Correct Answer Logic:

Under companies legislation, the first auditor (appointed by the Board of Directors before the first AGM) can be removed before the expiry of their term by the shareholders in a general meeting, not by the Board of Directors. This safeguards auditor independence from management.

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