Reading Mode - Questions

The scalar triple product $\mathbf{a}\cdot(\mathbf{b}\times\mathbf{c})$ is a scalar — it gives the volume of the parallelepiped formed by the three vectors. Option (A) $(\mathbf{a}\cdot\mathbf{b})\mathbf{c}$ is a vector (scalar times vector); option (C) is a vector triple product (vector); option (D) is zero vector.

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Pakistan Affairs QUESTION #610

Question 7

What is the name of Bacha Khan's (Abdul Ghaffar Khan) autobiography?

My Life and Struggle✔️
A long way to freedom
My Memoirs
None of these

Correct Answer Logic:

His autobiography is titled My Life and Struggle .

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Journalism / Mass Communication QUESTION #6411

Question 8

In the context of media stereotyping, the textbook discusses the beauty image in media as a case study. Which of the following CORRECTLY represents the textbook's argument about the economic motivation behind beauty stereotypes in advertising?

Beauty standards in advertising are set by government regulatory agencies to promote healthy body images
The beauty industry deliberately presents an ideal difficult to achieve in order to ensure continuous consumer demand for cosmetics, diet products, and anti-aging treatments — the stakes are estimated at $100 billion per year for the diet industry alone✔️
Beauty standards are driven by scientific research into optimal health metrics
Media beauty standards have no measurable impact on consumer behaviour or self-image

Correct Answer Logic:

The textbook presents a compelling economic analysis of beauty stereotyping in media: “By presenting an ideal difficult to achieve and maintain the cosmetic and diet product industries are assured of growth and profits.” Key facts cited:

The diet industry alone is estimated to be worth $100 billion (U.S.) per year
Research links exposure to unrealistic media body images to depression, loss of self-esteem, and eating disorders
35% of girls aged 6–12 had been on at least one diet; 50–70% of normal-weight girls believed they were overweight (Teen magazine, 2003)
One in four college-aged women used unhealthy weight control methods

The textbook quotes activist Jean Kilbourne: “Women are sold to the diet industry by the magazines we read and the television programs we watch.” This case study illustrates how commercial stereotyping can have serious public health consequences, going far beyond mere aesthetic preferences.

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Maths QUESTION #4571

Question 9

If average of $5$ numbers is $20$, what is their sum?

$25$
$100$✔️
$15$
$4$

Correct Answer Logic:

Sum = Average $\times$ Count = $20 \times 5 = 100$

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General Knowledge QUESTION #8811

Question 10

Which district of Punjab has the lowest population density?

Rajanpur✔️
Bahawalpur
Layyah
D.G. Khan

Correct Answer Logic:

Rajanpur has the lowest population density in Punjab.

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General Knowledge QUESTION #8667

Question 11

Which acid is commonly used in lead-acid car batteries?

NaCl (Sodium chloride)
HCl (Hydrochloric acid)
HNO3 (Nitric acid)
H2SO4 (Sulfuric acid)✔️

Correct Answer Logic:

Sulfuric acid (H2SO4) is used in batteries.

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English QUESTION #7647

Question 12

Antonyms and Synonyms:
Which word is the antonym of "Splenetic"?

Calm
Casual
Genial✔️
None of these

Correct Answer Logic:

'Splenetic' means bad-tempered, irritable, or spiteful. The antonym would be 'Genial', which means friendly, cheerful, and pleasant. While 'calm' is also opposite in nature, 'genial' is the better antonym as it represents the positive temperament opposite to the negative irritability of 'splenetic'.

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Contracts QUESTION #5865

Question 13

A Buyer and Seller enter a contract for 500 laptops. The Seller says, 'I might not be able to deliver next month.' Does the Buyer have any immediate rights?

Yes, the Buyer can sue for breach immediately.
No, the Buyer must wait until the delivery date.
Yes, the Buyer can demand 'Adequate Assurance of Performance'.✔️
No, unless the Seller uses the word 'repudiate'.

Correct Answer Logic:

Under UCC §2-609, when reasonable grounds for insecurity arise, a party may in writing demand adequate assurance of due performance.

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Islamic Studies QUESTION #7933

Question 14

The recitation of first Kalimah is called:

Salat
Tauba
Tahleel✔️
Astaghfar

Correct Answer Logic:

The recitation of the first Kalimah (Kalimah Tayyab) is called Tahleel, which means 'declaring Allah as the only deity.' The Kalimah states: 'La ilaha illallah Muhammad-ur-Rasulullah' (There is no god but Allah, and Muhammad is the Messenger of Allah). This declaration is the foundation of Islamic faith and the first pillar of Islam.

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Chemistry QUESTION #1069

Question 15

Which one of the following reactions does NOT belong to Lassaigne's test?

$\text{Na} + \text{X} \xrightarrow{\Delta} \text{NaX}$
$2\text{CuO} + \text{C} \xrightarrow{\Delta} 2\text{Cu} + \text{CO}_2$✔️
$\text{Na} + \text{C} + \text{N} \xrightarrow{\Delta} \text{NaCN}$
$2\text{Na} + \text{S} \xrightarrow{\Delta} \text{Na}_2\text{S}$

Correct Answer Logic:

Lassaigne's test involves fusing the organic compound with sodium metal to convert covalent elements (N, S, halogens) into ionic sodium salts (NaCN, Na$_2$S, NaX). The reaction $2\text{CuO} + \text{C} \to 2\text{Cu} + \text{CO}_2$ is the copper oxide test used to detect carbon/hydrogen, and does NOT belong to Lassaigne's test.

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Math Physics Chemistry Biology QUESTION #4245

Question 16

This given organelle is involved in the synthesis of oil, phospholipids and steroids:

Mitochondria
Golgi complex
Endoplasmic reticulum✔️
Ribosomes

Correct Answer Logic:

Endoplasmic reticulum synthesizes lipids.

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Reading and Writing (Module-1) QUESTION #5328

Question 17

What does Dr. Arisba suggest is a potential downside of digital communication?

It can lead to more superficial interactions.✔️
It is too expensive for most people.
It is slower than physical mail.
It makes staying in touch impossible.

Correct Answer Logic:

The passage notes that the lack of physical presence can lead to a 'superficial' feeling.

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Therapeutics and Patient Care QUESTION #3909

Question 18

Which symptom cluster is most typically associated with left-sided cardiac failure due to pulmonary congestion?

Jugular venous distension and shortness of breath
Hepatojugular reflux and abdominal distension
Paroxysmal nocturnal dyspnoea and hepatojugular reflux
Shortness of breath and paroxysmal nocturnal dyspnoea✔️

Correct Answer Logic:

Left heart failure causes pulmonary congestion with symptoms of shortness of breath, orthopnoea, and paroxysmal nocturnal dyspnoea. Jugular venous distension and hepatojugular reflux are signs of right heart failure.

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Chemistry QUESTION #7143

Question 19

A specific compound with the formula $A_{2}B_{3}$ crystallizes in an HCP lattice. Determine which atom constitutes the lattice and the fraction of tetrahedral voids occupied by the other atom.

Lattice: A; $\frac{2}{3}$ of Tetrahedral voids occupied by B
Lattice: A; $\frac{1}{3}$ of Tetrahedral voids occupied by B
Lattice: B; $\frac{2}{3}$ of Tetrahedral voids occupied by A
Lattice: B; $\frac{1}{3}$ of Tetrahedral voids occupied by A✔️

Correct Answer Logic:

In an HCP lattice, if there are $n$ atoms of B, the number of tetrahedral voids is $2n$. In the formula $A_2B_3$, the ratio of $A:B$ is $2:3$, which can be written as $\frac{2}{3}:1$. If B forms the lattice ($n$ atoms), then A occupies $2/3$ atoms. The fraction of tetrahedral voids occupied by A is $\frac{\text{atoms of A}}{\text{total tetrahedral voids}} = \frac{2/3}{2} = \frac{1}{3}$.

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English QUESTION #818

Question 20

Spot the error: 'This apartment (A)be (B)perfect, if it (C)were a (D)little larger.'

be✔️
perfect
were
little larger

Correct Answer Logic:

The error is at (A). 'be' should be 'would be' because this is a conditional sentence (Type 2). Correct: 'This apartment would be perfect, if it were a little larger.'

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