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Maths QUESTION #7996

Question 6841

When you divide 0.7 by 10, you get:

7
0.07✔️
70
0.007

Correct Answer Logic:

$0.7 \div 10 = 0.07$ (move the decimal point one place to the left)

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Journalism / Mass Communication QUESTION #6415

Question 6842

In the context of early mass communication, what role did newspapers play in the independence movement of the Indian subcontinent, based on the textbook's historical account?

Newspapers actively opposed the independence movement because most were controlled by the colonial administration
Many Urdu newspapers like Zameendar, Hamdard, Al-Hilal, and others actively supported the freedom struggle and were pivotal in creating political consciousness among the masses✔️
Newspapers were banned during the independence movement and played no role in it
Newspapers only reported cricket matches and avoided political content to remain commercially viable

Correct Answer Logic:

The textbook provides an extensive list of pre-independence Urdu newspapers that supported the freedom struggle: Khilafat, Siasat, Ujala, Taj, Roznama-e-Hind, Ajmal, Hilal, Milap, Partap, Tej, Qaumi Awaz, Jung, Anjam, Inqualab, Nawa-e-Waqt, Hindustan, Aftab, Jumhuriat, Iqbal, and many others. Key figures include:

Zameendar (1903, Lahore): Circulation of 30,000, actively supported the freedom struggle, first newspaper to use news agency sources
Maulana Abul Kalam Azad started Al-Hilal (1912) — became the largest circulated newspaper after Zameendar
Maulana Muhammad Ali Jauhar started Hamdard (1912)
Jawaharlal Nehru started Qaumi Awaz from Lucknow (1945)

The press thus functioned as the primary instrument of political mobilisation, consciousness-raising, and resistance against colonial rule — embodying the Libertarian ideal of media as a watchdog and social change agent.

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Pakistan Affairs QUESTION #9090

Question 6843

Afghanistan is located on which border of Pakistan?

Northwest✔️
Southwest
North East
South East

Correct Answer Logic:

Afghanistan is to the northwest of Pakistan.

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Maths QUESTION #7961

Question 6844

18 is 75% of which number?

24✔️
28
34
32

Correct Answer Logic:

$75\% \times x = 18 \Rightarrow \dfrac{75}{100} \times x = 18 \Rightarrow x = \dfrac{18 \times 100}{75} = 24$

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General Knowledge QUESTION #181

Question 6845

Who is the largest exports destination of Pakistan?

China
USA✔️
UK
None of these

Correct Answer Logic:

The United States remains the largest single-country destination for Pakistani exports.

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Physics QUESTION #1187

Question 6846

The relation between half-life and mean life are:

Inversely proportional
Directly proportional✔️
Equal
Half

Correct Answer Logic:

Half-life $t_{1/2}$ and mean life $\tau$ are related by: $t_{1/2} = \tau \ln 2 = 0.693\,\tau$. Since $t_{1/2} = 0.693\,\tau$, they are directly proportional to each other (one is always a fixed constant times the other). The half-life is always shorter than the mean life by a factor of $\ln 2$.

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Boilers Mechanical Engineering QUESTION #2475

Question 6847

The Grübler–Dobrovolski formula for the mobility (DOF) $M$ of a general spatial mechanism of family $f$ with $n$ movable links and kinematic pairs of class $j$ is:

$M = 3n - 2c_5 - c_4$
$M = 6n - \sum_{j=f+1}^{5}(j-f)c_j$
$M = (6-f)n - \sum_{j=f+1}^{5}(j-f)c_j$✔️
$M = 6n - 5c_5 - 4c_4$

Correct Answer Logic:

The Dobrovolski formula is $M=(6-f)n-\sum_{j=f+1}^{5}(j-f)c_j$, where $f$ is the family number, $n$ is the number of movable links, and $c_j$ is the number of kinematic pairs of class $j$. For planar mechanisms $f=3$, this reduces to $M=3n-2c_5-c_4$.

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Physics QUESTION #1055

Question 6848

A wire of resistance $R$ is cut into 8 equal pieces. Four pieces in parallel form one equivalent resistance, and two such sets in series. Net effective resistance:

$\dfrac{R}{16}$
$\dfrac{R}{8}$
$\dfrac{R}{64}$
$\dfrac{R}{32}$✔️

Correct Answer Logic:

Each piece has resistance $R/8$. Four in parallel: $R_p = \frac{R/8}{4} = \frac{R}{32}$. Two such sets in series: $R_{total} = 2\times\frac{R}{32} = \frac{R}{16}$. Wait: $\frac{R/8}{4}=\frac{R}{32}$, then $2\times\frac{R}{32}=\frac{R}{16}$. So answer is $R/16$ = option (1). Re-check: each piece $=R/8$, 4 in parallel $=\frac{R/8}{4}=\frac{R}{32}$, 2 in series $=\frac{2R}{32}=\frac{R}{16}$. Answer: option (1) = $R/16$.

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Reading and Writing (Module-1) QUESTION #5322

Question 6849

In the early 20th century, the 'lost generation' of writers, such as Ernest Hemingway and F. Scott Fitzgerald, often explored themes of ______ and disillusionment following the devastation of World War I. Which choice completes the text with the most logical and precise word?

alienation✔️
optimism
prosperity
conviction

Correct Answer Logic:

'Alienation' (feeling like an outsider) fits the theme of disillusionment mentioned.

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General Knowledge QUESTION #11516

Question 6850

In Excel custom number formatting, the first section of the format code governs:

Positive numbers✔️
Negative numbers
Zero values
Text values

Correct Answer Logic:

In Excel's custom number format, the code is divided into up to four sections separated by semicolons: [positive];[negative];[zero];[text]. The first section always describes how positive numbers are displayed. For example, in #,##0.00;-#,##0.00;0;@, the first part applies to positive values.

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Reading and Writing (Module-1) QUESTION #5316

Question 6851

Ecologists have long noted that different species in an ecosystem often occupy distinct niches to avoid direct competition. This process, known as niche partitioning, ensures that resources are used ______ by the various inhabitants. Which choice completes the text with the most logical and precise word?

efficiently✔️
randomly
sparingly
equally

Correct Answer Logic:

Niche partitioning allows resources to be distributed in a way that minimizes waste and competition, making 'efficiently' the best fit.

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Chemistry QUESTION #7811

Question 6852

Hemoglobin is a protein with which structural level?

Primary
Secondary
Tertiary
Quaternary✔️

Correct Answer Logic:

Hemoglobin has four polypeptide chains (two α, two β), each with tertiary structure, assembled into quaternary structure.

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Education QUESTION #6902

Question 6853

A teacher asks students to set the classroom rules themselves and vote on them. According to classroom management research, what is the PRIMARY management benefit of this participatory rule-making approach?

It saves the teacher planning time during the school year
Students are more likely to comply with rules they perceive as fair and in which they have ownership✔️
It eliminates the need for consequences since students designed the rules themselves
It transfers legal responsibility for discipline from the teacher to the students

Correct Answer Logic:

When students actively participate in constructing the rules they live by in the classroom, they develop a psychological sense of ownership and fairness. Research shows that self-generated rules are more likely to be perceived as reasonable and legitimate, leading to higher rates of voluntary compliance than rules imposed from above.

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General Knowledge QUESTION #2585

Question 6854

An office worker is following a step-by-step checklist to process monthly invoices. This checklist is most similar to which computing concept?

Binary System
RGB Model
Algorithm✔️
Character Encoding

Correct Answer Logic:

An algorithm is a series of steps that solves specific problems. A step-by-step checklist for processing invoices is exactly analogous — it provides ordered instructions to reach a defined outcome, just as an algorithm does in computing.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3355

Question 6855

'Prions' are infectious agents composed entirely of:

DNA
RNA
Protein✔️
Lipids

Correct Answer Logic:

Prions cause diseases like Mad Cow Disease and have no genetic material.

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Geology QUESTION #10675

Question 6856

The apparent dip of a bed measured in any vertical section other than the true dip direction is always:

Greater than the true dip
Equal to the true dip
Less than the true dip✔️
Depends on the exact dip angle

Correct Answer Logic:

The apparent dip is always less than or equal to the true dip. The relationship is: $\tan(\alpha) = \tan(\delta) \cdot \cos(\beta)$, where $\alpha$ = apparent dip, $\delta$ = true dip, and $\beta$ = angle between the measured section and the true dip direction. When $\beta = 0°$ (section perpendicular to strike), $\cos\beta = 1$ and apparent dip equals true dip. For any other section orientation, $\cos\beta < 1$, so apparent dip $< $ true dip.

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English QUESTION #8338

Question 6857

We must respect the views of our _______ in this matter, even though we cannot agree with them.

enemies
foes
opponents✔️
adversaries

Correct Answer Logic:

'Opponents' is neutral and appropriate for disagreement.

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General Knowledge QUESTION #11502

Question 6858

In the Custom Animation pane, which option allows applying a preset motion path?

Add Effect✔️
Emphasis
Animate Now
All of the above

Correct Answer Logic:

In the Custom Animation task pane, the Add Effect button opens a submenu with four categories: Entrance, Emphasis, Exit, and Motion Paths. Motion Paths allow objects to follow preset or custom paths across the slide.

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Psychology QUESTION #1459

Question 6859

Which type of learning occurs through observing others and imitating their behaviors?

Classical conditioning
Operant conditioning
Observational learning✔️
Latent learning

Correct Answer Logic:

Observational learning (also called social learning or modelling) occurs by watching and imitating others. Albert Bandura's Social Learning Theory (1977) demonstrated this through his Bobo doll experiments, showing children imitated aggressive behaviour modelled by adults. Classical conditioning involves stimulus-response associations; operant conditioning involves reinforcement/punishment; latent learning occurs without immediate reinforcement.

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Mathematics QUESTION #1272

Question 6860

The Maclaurin series for $f(Z)=Z^2e^{3Z}$ starts with:

$Z^2+3Z^3+\dfrac{9}{2}Z^4+\cdots$✔️
$Z^2+3Z^3+3Z^4+\cdots$
$Z^2+Z^3+\dfrac{1}{2}Z^4+\cdots$
$1+Z^2+3Z^3+\cdots$

Correct Answer Logic:

Use $e^{3Z}=\sum_{n=0}^\infty\dfrac{(3Z)^n}{n!}=1+3Z+\dfrac{9Z^2}{2}+\dfrac{9Z^3}{2}+\cdots$. Multiply by $Z^2$: $Z^2e^{3Z}=Z^2+3Z^3+\dfrac{9Z^4}{2}+\cdots$.

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