Reading Mode - Questions

Aluminium forms a thin, adherent Al₂O₃ layer that is passivating. MgO is also protective but less complete; Na oxide is reactive; SiO₂ is not typical for rapid reaction.

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Maths QUESTION #7659

Question 6085

If three arithmetic means are inserted between 5 and 25, the second arithmetic mean is:

$10$
$15$✔️
$20$
None of these

Correct Answer Logic:

When three arithmetic means are inserted between 5 and 25, we have 5 terms total: 5, a₁, a₂, a₃, 25. Common difference $d = \frac{25-5}{4} = 5$. The terms are: 5, 10, 15, 20, 25. The second arithmetic mean is 15.

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English Literature QUESTION #665

Question 6086

"Objective Correlative" is a term coined by:

T.S. Eliot
Washington Allston✔️
Matthew Arnold
I. A. Richards

Correct Answer Logic:

While popularized by T.S. Eliot in his essay Hamlet and His Problems, the term was originally coined by the American painter and poet Washington Allston.

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English QUESTION #8447

Question 6087

Is he eligible _______ this scholarship?

with
of
at
for✔️

Correct Answer Logic:

'Eligible for' is correct.

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Accounting & Finance QUESTION #6183

Question 6088

A 'Sole Proprietorship' has the limitation of:

Double taxation
Complex legal formalities✔️
Unlimited personal liability
Separation of ownership and management

Correct Answer Logic:

As per Lesson 01, the proprietor has unlimited personal liability for business debts.

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Aptitude QUESTION #10964

Question 6089

A cube has each edge of length \(a\. It is cut by a plane parallel to one face, dividing it into two parts with volumes in the ratio 1:3. What is the height of the smaller piece?

\(\dfrac{a}{3}\
\(\dfrac{a}{4}\✔️
\(\dfrac{a}{2}\
\(\dfrac{a}{6}\

Correct Answer Logic:

Let height of the cut from the bottom = \(h\.

Volume of smaller piece = \(a^2 \cdot h\

Total volume = \(a^3\

Ratio of smaller to larger: \(\dfrac{a^2 h}{a^3 - a^2 h} = \dfrac{1}{3}\

\(3a^2 h = a^3 - a^2 h\

\(4a^2 h = a^3\

\(h = \dfrac{a}{4}\

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Islamic Studies QUESTION #652

Question 6090

The first mosque built by the Holy Prophet (ﷺ) was:

Masjid-e-Nabwi
Masjid-e-Quba✔️
Masjid-e-Haram
None of these

Correct Answer Logic:

Masjid-e-Quba was the first mosque established by the Prophet (ﷺ) upon his migration.

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Reading and Writing (Module-1) QUESTION #5319

Question 6091

Although many critics originally found the artist's work to be ______, modern audiences often praise its bold use of color and unconventional subject matter. Which choice completes the text with the most logical and precise word?

perplexing✔️
transcendent
innovative
celebrated

Correct Answer Logic:

The word 'Although' indicates a contrast between the original view and the modern praise; 'perplexing' provides that negative/confusing contrast.

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Education QUESTION #7601

Question 6092

What instructional approach challenges students to seek solutions to real-world problems either by themselves or in groups?

Problem based learning✔️
Lab oriented method
Interactive approach
None of these

Correct Answer Logic:

Problem-based learning (PBL) presents students with authentic, ill-structured problems and requires them to identify, research, and develop solutions collaboratively or independently.

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Psychology QUESTION #9808

Question 6093

The objectivity of science primarily lies in:

The capability of scientists to avoid their society's prejudices
The choice of questions studied
Its methodology✔️
All of these

Correct Answer Logic:

Scientific objectivity is grounded in methodology — systematic, replicable, empirically verifiable procedures. The scientific method (controlled observation, peer review, replication) is the primary safeguard of objectivity.

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Psychology QUESTION #9802

Question 6094

The ability to focus on stimuli of interest while filtering out competing distractors is called:

Concentrated attending
Stimulus focusing
Selective attention✔️
Structured perceiving

Correct Answer Logic:

Selective attention is the cognitive process of focusing on particular stimuli while ignoring irrelevant ones (e.g., the cocktail party effect). It is essential to efficient information processing.

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Physics QUESTION #7084

Question 6095

If velocity ($V$), acceleration ($A$), and force ($F$) are the fundamental units, find the dimensions of Young's modulus.

$V^{-2}A^{2}F^{-2}$
$V^{-2}A^{2}F^{2}$
$V^{-4}A^{-2}F$
$V^{-4}A^{2}F$✔️

Correct Answer Logic:

Young's Modulus $[Y] = [ML^{-1}T^{-2}]$.

Force $[F] = [MLT^{-2}] \implies M = F L^{-1} T^2$
Velocity $[V] = [LT^{-1}]$ and Acceleration $[A] = [LT^{-2}]$
Solving for $L$ and $T$: $T = V/A$ and $L = V^2/A$.
Substituting these into the formula for $Y$ yields $V^{-4}A^2F$.

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Chemistry QUESTION #7421

Question 6096

If the ionisation potentials of Na, Mg, and Si are 496, 737, and 786 kJ/mol respectively, then the IP of Al is approximately:

760 kJ/mol
756 kJ/mol
577 kJ/mol✔️
986 kJ/mol

Correct Answer Logic:

Al (Z=13): configuration [Ne] 3s² 3p¹

Al's IE₁ is lower than Mg (3s² full shell, extra stability) and lower than Si (3p² — removing one from paired is easier, but Si is to the right with higher Z*).

Experimentally, IE₁ of Al ≈ 577 kJ/mol. This lies between Na (496) and Mg (737), confirming the anomaly: Al has lower IE₁ than Mg despite being to its right in the period.

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Pakistan Affairs QUESTION #585

Question 6097

Jinnah Papers' were published by:

Z. A. Suleri
Zawwar Hussain Zaidi✔️
Jamil ud Din Ahmad
None of These

Correct Answer Logic:

Dr. Zawwar Hussain Zaidi was the editor-in-chief of the Jinnah Papers project.

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Education QUESTION #10872

Question 6098

Which education system focused most heavily on the complete (holistic) training of the whole person?

Greek
Roman
Islamic✔️
English

Correct Answer Logic:

Islamic education is most comprehensively focused on the complete training of the whole human being — spiritual, moral, intellectual, physical, and social dimensions. Islamic educational philosophy aims to develop a balanced personality aligned with divine guidance, integrating religious knowledge with worldly knowledge. The concept of tarbiyah (character formation) alongside ta'lim (instruction) reflects this holistic approach to human development.

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Physical Education QUESTION #6803

Question 6099

The transition from 'Gymnastics' to 'Physical Education' in the late 19th century signified a shift toward:

Solely focusing on muscular hypertrophy
A broader scientific and educational framework for human movement✔️
Ending the inclusion of physical activity in schools
A return to ancient gladiatorial combat styles

Correct Answer Logic:

This shift represented the professionalization of the field, incorporating physiology, psychology, and pedagogy into movement science.

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Mathematics QUESTION #4147

Question 6100

For $(x^2+1)y'' + xy' - y = 0$, what is the indicial equation at the ordinary point $x = 0$ for power series solution?

$r(r-1) = 0$
$r^2 - 1 = 0$✔️
$r^2 = 0$
$r^2 + r = 0$

Correct Answer Logic:

At ordinary point $x=0$, substitute $y = \sum a_n x^n$. The indicial equation comes from lowest power: coefficient of $x^0$ gives $a_0$ terms. Actually for ordinary points, we get recurrence. The indicial equation for this equation at $x=0$ is $r^2 - 1 = 0$ giving $r = \pm 1$.

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