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Zaboor (Psalms) was revealed to Hazrat Daud (David) AS. It is one of the four major revealed books in Islam (along with Torah, Gospel, and Quran). The Zaboor contained hymns and prayers praising Allah. Hazrat Daud (AS) was blessed with a beautiful voice and would recite Zaboor, causing birds and mountains to glorify Allah with him.

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Civil Engineering QUESTION #6654

Question 2585

In a cantilever beam, the main tension reinforcement should be placed:

At the bottom of the beam
At the top of the beam✔️
In the middle of the beam
Only as stirrups

Correct Answer Logic:

Cantilever beams experience 'negative' moment, meaning the top fibers are in tension and the bottom fibers are in compression.

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Chemistry QUESTION #7788

Question 2586

What mass of $\mathrm{Al}_2\mathrm{O}_3$ is produced from 18.5 g Al? $4\mathrm{Al} + 3\mathrm{O}_2 \rightarrow 2\mathrm{Al}_2\mathrm{O}_3$

30.8 g
32.6 g
34.9 g✔️
36.5 g

Correct Answer Logic:

Molar mass Al = 27 g/mol: moles Al = 18.5/27 = 0.685 mol. From stoichiometry: 4 mol Al → 2 mol Al₂O₃, so mol Al₂O₃ = 0.685/2 = 0.3425 mol. Molar mass Al₂O₃ = 102 g/mol: mass = 0.3425×102 = 34.94 g ≈ 34.9 g.

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General Knowledge QUESTION #8648

Question 2587

Which Muslim country is known for its cluster of thousands of islands?

Indonesia✔️
Malaysia
Afghanistan
Brunei

Correct Answer Logic:

Indonesia is the world's largest archipelago.

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Civil Engineering QUESTION #6566

Question 2588

The resultant of a system of concurrent forces can be determined by:

Triangle law
Parallelogram law
Polygon law
All of the above✔️

Correct Answer Logic:

All three laws — Triangle, Parallelogram, and Polygon (Lami's extension) — are valid graphical and analytical methods for finding the resultant of a force system.

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Mathematics QUESTION #1262

Question 2589

Which of the following is the solution set of $x^2+x>2$?

($-\infty,-2)\cup(1,\infty)$✔️
($-2,1$)
($-\infty,-1)\cup(2,\infty)$
($-1,2$)

Correct Answer Logic:

Factor: $x^2+x-2>0\Rightarrow(x+2)(x-1)>0$. The product is positive when both factors are positive ($x>1$) or both negative ($x<-2$). Solution: $x\in(-\infty,-2)\cup(1,+\infty)$.

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Urdu QUESTION #5119

Question 2590

خاک اور خون کس کا ناول ہے؟

نسیم حجازی✔️
مولوی عبدالحق
پریم چند
ان میں سے کوئی نہیں

Correct Answer Logic:

خاک اور خون نسیم حجازی کا تاریخی اسلامی ناول ہے جو تقسیمِ ہند کے واقعات پر مبنی ہے۔

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Math Physics Chemistry Biology QUESTION #4310

Question 2591

Effect of increased substrate concentration on enzyme activity:

Decrease the rate of reaction
Increase the reaction rate until all active sites are saturated✔️
Have no effect on the reaction rate
Increase the rate of reaction in a straight diagonal line

Correct Answer Logic:

As substrate concentration increases, more enzyme active sites are occupied and reaction rate increases. However, once all active sites are saturated ($V_{max}$), the rate plateaus.

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Accounting & Finance QUESTION #9636

Question 2592

In a Single Entry system, a trader's Opening Capital was Rs. 100,000 and Closing Capital Rs. 145,000. During the year drawings were Rs. 30,000 and fresh capital introduced was Rs. 15,000. What is the Net Profit for the year?

Rs. 60,000✔️
Rs. 45,000
Rs. 75,000
Rs. 30,000

Correct Answer Logic:

Net Profit = Closing Capital + Drawings – Opening Capital – Fresh Capital = 145,000 + 30,000 – 100,000 – 15,000 = Rs. 60,000. The Statement of Profit or Loss reverses the owner's equity equation to isolate profit.

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Mathematics QUESTION #4127

Question 2593

Using Cauchy Residue Theorem, evaluate $\oint_{|z|=2} \frac{5z - 2}{z(z-1)} \, dz$. The poles inside are at:

$z = 0$ only
$z = 1$ only
$z = 0$ and $z = 1$✔️
No poles inside $|z| = 2$

Correct Answer Logic:

Poles at $z = 0$ and $z = 1$. Both satisfy $|z| < 2$, so both are inside the contour.

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Egnlish QUESTION #717

Question 2594

Winston Smith's job in "1984" involves:

Enforcing laws
Rewriting history✔️
Fighting in wars
Producing food

Correct Answer Logic:

He works at the Ministry of Truth, altering historical records to fit the Party's current propaganda.

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General Knowledge QUESTION #4682

Question 2595

General Augusto Pinochet is best identified as which of the following?

Leader of Contras in Nicaragua
Military Dictator of El Salvador
President of Chile✔️
Prime Minister of Argentina

Correct Answer Logic:

General Augusto Pinochet was the military dictator who ruled Chile from 1973 to 1990 following a coup against Salvador Allende.

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CISA QUESTION #1751

Question 2596

Which of the following is NOT a purpose of the ISO 15489 records management standard?

Define minimum legal handling requirements for data records
Provide a legal standard of negligence and culpability
Eliminate the need for a detailed classification list for each data set✔️
Define governance responsibilities across the data life cycle

Correct Answer Logic:

ISO 15489 defines the minimum handling process for records of value and requires an information classification system — a list of each data set to be protected. It does not eliminate the need for such a list; rather, it mandates one as a core governance control.

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Accounting & Finance QUESTION #6049

Question 2597

For a levered firm (a firm that uses debt financing), which of the following ratios would ideally indicate the highest return to equity shareholders?

Return on Assets (ROA)
Return on Invested Capital (ROIC)
Return on Capital Employed (ROCE)
Return on Common Equity (ROE)✔️

Correct Answer Logic:

A levered firm uses debt, which creates a financial leverage effect. When a firm earns more on borrowed funds than it pays in interest, the surplus accrues to equity shareholders — amplifying returns. Return on Common Equity (ROE) $= \dfrac{\text{Net Income}}{\text{Shareholders' Equity}}$ captures this magnified return because the denominator (equity) is smaller when the firm uses debt. ROA and ROCE use total assets or capital employed (including debt) as the base, which dilutes the leverage effect.

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HR and Management QUESTION #6478

Question 2598

In the four HRM challenges (Attract, Develop, Motivate, Retain), the sequence suggests:

A random collection of HR activities
A logical progression in the employee lifecycle✔️
Prioritized ranking from most to least important
Independent, unrelated functions

Correct Answer Logic:

The sequence represents a logical progression in the employee lifecycle: First attract talented people → then develop their capabilities → motivate them to perform → finally retain the best performers. Each stage builds on the previous, creating a comprehensive talent management approach.

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Boilers Mechanical Engineering QUESTION #2542

Question 2599

For a block of weight $W$ on a horizontal surface with $\mu_s=0.35$, the minimum horizontal force to initiate sliding is:

$P_{\min}=0.35\,W$✔️
$P_{\min}=W/0.35$
$P_{\min}=0.35\,W^2$
Cannot be determined without contact area

Correct Answer Logic:

At impending slip, friction reaches its limit: $F_{\max}=\mu_s N=\mu_s W=0.35W$. Hence the applied force must equal $P=0.35W$. Note that friction force is independent of contact area (Amontons' law).

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Pakistan Affairs QUESTION #139

Question 2600

Who is the author of 'Pakistan: A Modern History'?

Anatol Lieven
Ian Talbot✔️
Lawerence Ziring
Ahmed Rashid

Correct Answer Logic:

Ian Talbot is a well-known historian and the author of 'Pakistan: A Modern History'.

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