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Mathematics QUESTION #4116

Let $W$ be the subspace of all symmetric $2 \times 2$ matrices. What is $\dim(W)$?

$2$
$3$✔️
$4$
$6$

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.

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Accounting & Finance QUESTION #1192

Question 2

In financial accounting, goodwill is classified as:

Tangible asset
Intangible asset✔️
Current liability
Contra asset

Correct Answer Logic:

Goodwill is an intangible asset — it represents non-physical value such as brand reputation, customer relationships, and business synergies. It appears on the balance sheet under non-current intangible assets and arises when a business is purchased for more than the fair value of its net identifiable assets.

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General Knowledge QUESTION #9004

Question 3

Singapore was previously part of which country?

Indonesia
China
Korea
Malaysia✔️

Correct Answer Logic:

Singapore separated from Malaysia in 1965.

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English QUESTION #2730

Question 4

Which sentence is in the FUTURE SIMPLE TENSE?

She has gone to school.
He was writing a letter.
They will attend the meeting.✔️
I am going to the market.

Correct Answer Logic:

The future simple tense uses 'will + base verb' to express a decision or prediction. 'They will attend the meeting' is the correct future simple form.

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Sociology QUESTION #1663

Question 5

The theoretical framework of 'base and superstructure,' in which the economic mode of production is held to determine all legal, political, religious, and cultural forms of social life, is a foundational concept of which sociological tradition?

Structural Functionalism
Symbolic Interactionism
Marxist historical materialism✔️
Rational Choice Theory

Correct Answer Logic:

In Marxist theory, the 'base' refers to the economic infrastructure — the means and relations of production — while the 'superstructure' encompasses all other social institutions (law, religion, politics, culture) that arise from and serve to legitimize the base. This is a core concept of historical materialism, not functionalism or symbolic interactionism.

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Physics QUESTION #413

Question 6

An n-type semi-conductor is made by doping silicon crystal with __________

Indium
Aluminium
Arsenic✔️
Both B and C

Correct Answer Logic:

Arsenic is a pentavalent donor for n-type

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Physics QUESTION #7029

Question 7

A pipe with a length of $85\text{ cm}$ is closed at one end. Determine the total number of natural oscillations possible for the air column in this pipe that have frequencies below $1250\text{ Hz}$. (Take the speed of sound as $340\text{ m/s}$).

$6$
$4$✔️
$12$
$8$

Correct Answer Logic:

For a closed pipe, the resonance frequencies are $f_n = \frac{(2n-1)v}{4L}$. Here $L = 0.85\text{ m}$ and $v = 340\text{ m/s}$. The fundamental frequency $f_1 = \frac{340}{4 \times 0.85} = 100\text{ Hz}$. The subsequent odd harmonics are $300\text{ Hz}$, $500\text{ Hz}$, $700\text{ Hz}$, $900\text{ Hz}$, and $1100\text{ Hz}$. The next is $1300\text{ Hz}$, which exceeds the limit. Thus, there are $6$ possible oscillations (including fundamental).

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Math Physics Chemistry Biology QUESTION #72

Question 8

Kidneys perform their osmoregulatory role under the effect of Antidiuretic Hormone, which type of urine is produced in this situation?

Hypotonic urine with decreased volume
Hypotonic urine with increased volume
Hypertonic urine with decreased volume✔️
Hypertonic urine with Increased volume

Correct Answer Logic:

Under the effect of ADH, the kidneys work to conserve water, resulting in a small amount of highly concentrated (hypertonic) urine

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General Knowledge QUESTION #8954

Question 9

When the stock market is rising, it is called a:

Bearish market
Bullish market✔️
Crash
None of above

Correct Answer Logic:

A rising market is called a bull market.

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Nursing QUESTION #9289

Question 10

Which of the following is the priority assessment in a patient with acute myocardial infarction (MI) admitted to a medical ward?

Blood glucose level
Continuous cardiac monitoring and 12-lead ECG✔️
Serum cholesterol levels
Echocardiography

Correct Answer Logic:

In Acute Myocardial Infarction (AMI), the priority nursing assessment is continuous cardiac monitoring and 12-lead ECG because:

AMI causes life-threatening arrhythmias (ventricular fibrillation, ventricular tachycardia) in the first hours
ECG identifies the infarct location, extent, and guides reperfusion decisions
Time-to-treatment (door-to-balloon time ≤ 90 minutes for STEMI) is the key determinant of outcomes

The 4 Ts of AMI nursing priority:

Time (ECG within 10 minutes)
Thrombolytics/PCI preparation
Therapy (MONA: Morphine, Oxygen, Nitrates, Aspirin)
Telemetry (continuous cardiac monitoring)

Cardiac biomarkers (Troponin I/T) are diagnostic but take time. ECG provides immediate actionable information.

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Pakistan Affairs QUESTION #148

Question 11

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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General Science and Ability QUESTION #194

Question 12

All operating systems get their total memory initialized from:

BIOS✔️
RAM
ROM
CPU

Correct Answer Logic:

The BIOS (Basic Input/Output System) initializes hardware and memory during boot-up.

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English Literature QUESTION #694

Question 13

The "Wessex" novels were written by:

Charles Dickens
Thomas Hardy✔️
George Eliot
None of these

Correct Answer Logic:

Thomas Hardy set most of his major novels in the semi-fictional region of Wessex.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3441

Question 14

'RBCs' (Red Blood Cells) rely exclusively on which pathway for energy?

Beta-oxidation
Glycolysis✔️
Krebs Cycle
Electron Transport Chain

Correct Answer Logic:

RBCs lack mitochondria and must use anaerobic glycolysis.

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Agriculture Economics QUESTION #11880

Question 15

The Production Possibilities Frontier (PPF) for a farmer producing two outputs shows:

All price combinations at which the farmer can sell output
The maximum combinations of two outputs attainable given fixed resources✔️
The minimum cost of producing any output combination
The demand curve for each output

Correct Answer Logic:

The PPF traces the maximum attainable combinations of two outputs given a fixed set of resources and technology.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3127

Question 16

The 'Central Nervous System' (CNS) consists of the:

Brain and spinal nerves
Brain and spinal cord✔️
Spinal cord and cranial nerves
Sensory and motor neurons

Correct Answer Logic:

The brain and spinal cord are the command centers.

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General Science and Ability QUESTION #246

Question 17

When day and night are equal?

23rd Feb & 21st Sept
21st March & 23rd Sept✔️
23rd March & 21st Sept
None of these

Correct Answer Logic:

These dates represent the spring and autumnal equinoxes.+2

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General Knowledge QUESTION #4785

Question 18

Silk Air is an airline based in which country?

Sri Lanka
Switzerland
Singapore✔️
Thailand

Correct Answer Logic:

Silk Air was a regional airline and a wholly owned subsidiary of Singapore Airlines, headquartered in Singapore. It was merged into Singapore Airlines in 2021.

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MBBS QUESTION #10314

Question 19

Linoleic acid and alpha-linolenic acid are termed 'essential' fatty acids because humans must obtain them from the diet, as human cells lack the enzymes needed to:

Elongate fatty acid carbon chains
Introduce double bonds beyond the delta-9 position — i.e., desaturate fatty acids at the omega-6 and omega-3 positions✔️
Beta-oxidize fatty acids for energy
Esterify fatty acids onto a glycerol backbone

Correct Answer Logic:

Human desaturase enzymes can introduce double bonds only up to the delta-9 position; the further desaturation needed to place double bonds at the omega-6 (linoleic acid) or omega-3 (alpha-linolenic acid) positions is absent in humans, making these fatty acids dietary-essential precursors for eicosanoid and membrane lipid synthesis.

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Journalism / Mass Communication QUESTION #6368

Question 20

In the context of print media management, which THREE departments are identified in the textbook as the primary areas a publication must manage?

Advertising, Distribution, and Printing
Editorial, Business, and Technical (Press)✔️
Journalism, Public Relations, and Photography
Administration, Human Resources, and Finance

Correct Answer Logic:

The textbook identifies three core functional areas that any publication must manage effectively:

Editorial: The most important department, responsible for all content — news gathering (field staff/reporters assigned to beats), writing, editing, opinion pieces, and overall editorial policy. Headed by an editor who is ultimately responsible for all published content.
Business: Manages financial operations including the advertising department (generating revenue through classified and display ads), circulation department (maximising readership), and accounts department (salaries, procurement, audit reports).
Technical/Press: Manages the printing machinery, ensures the newspaper is printed and ready for distribution by deadline, handles newsprint procurement, plate-making, inking, and all mechanical aspects of production.

Effective media management requires managers who understand all three areas, as a failure in any one of them can compromise the entire publication.

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