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Zakat was made obligatory in 2 A.H. (After Hijrah) in Medina. It is one of the Five Pillars of Islam and represents a mandatory charitable contribution of 2.5% of a Muslim's savings annually, purifying wealth and helping the poor and needy.

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General Knowledge QUESTION #8970

Question 5

A mixture of two or more metals is called:

Mouse
Dispersion
Alloy✔️
Hard Drive

Correct Answer Logic:

An alloy is a mixture of metals.

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Boilers Mechanical Engineering QUESTION #3990

Question 6

A 'Safety Valve' must be set to open at a pressure:

Slightly below the working pressure
Exactly at the working pressure
Slightly above the working pressure but not exceeding the design limit✔️
Double the working pressure

Correct Answer Logic:

It acts as a relief valve to prevent the boiler from exceeding its maximum allowable working pressure (MAWP).

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Education QUESTION #11627

Question 7

Which management function is described as a regulatory process that directs organizational activities toward the achievement of specified goals?

Controlling✔️
Staffing
Planning
None of these

Correct Answer Logic:

Controlling is the management function that monitors performance, compares it with set standards, and takes corrective action when needed. It ensures that organizational activities remain on track toward achieving goals. It is distinct from planning (setting goals) and staffing (managing personnel).

Correct Answer: A — Controlling.

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Social Studies QUESTION #10023

Question 8

Who famously stated, 'One is not born, but rather becomes, a woman'?

Simone de Beauvoir✔️
Luce Irigaray
Betty Frieden
None of these

Correct Answer Logic:

This is a well-known statement by Simone de Beauvoir from 'The Second Sex'.

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Accounting & Finance QUESTION #9639

Question 9

A business sells goods at a margin of 20% on sales. Opening Stock Rs. 10,000; Purchases Rs. 90,000; Closing Stock Rs. 20,000. What are the Sales?

Rs. 100,000
Rs. 80,000
Rs. 112,500✔️
Rs. 125,000

Correct Answer Logic:

COGS = 10,000 + 90,000 – 20,000 = Rs. 80,000. Margin = GP/Sales. Since margin is 20%, COGS = 80% of Sales. Sales = 80,000 × 100/80 = Rs. 100,000. Wait – this is 100,000. Actually COGS/Sales = 80%, so Sales = 80,000/0.80 = Rs. 100,000. However, if COGS = 80,000 and margin is 20%: Sales = 80,000/0.80 = 100,000. The correct answer is Rs. 100,000. Note: option_3 (Rs. 112,500) would apply if COGS were Rs. 90,000. The correct option is 0 (Rs. 100,000).

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Math Physics Chemistry Biology QUESTION #11427

Question 10

The terminal ends of the chromosomes are called:

Centromere
Telomere✔️
Nucleosome
Centrosome

Correct Answer Logic:

Telomeres are the protective caps at the ends (termini) of linear chromosomes. They consist of repetitive DNA sequences (TTAGGG in humans) bound by specific proteins (shelterin complex). Telomeres protect chromosomes from degradation, end-to-end fusion, and prevent recognition as DNA damage. They shorten with each cell division (Hayflick limit).

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Agronomy QUESTION #2024

Question 11

DAP (Di-Ammonium Phosphate) has the chemical formula $(NH_4)_2HPO_4$ and its N:P₂O₅ analysis is:

46:0
18:46✔️
16:48
14:48

Correct Answer Logic:

DAP contains approximately 18% N and 46% $P_2O_5$, making it one of the most concentrated phosphatic fertilizers. Its high nutrient content (64% total nutrients) makes it highly cost-effective for basal application, particularly for phosphorus supply in cereal and oilseed crops.

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Professional QUESTION #1842

Question 12

Under Section 19(3), a civil servant who is dismissed or removed from service for reasons of discipline is not admissible to pension. However, the Government may sanction compassionate allowance not exceeding what fraction of the pension or gratuity that would have been admissible?

One-half
Two-thirds✔️
Three-quarters
One-third

Correct Answer Logic:

Section 19(3) provides that no pension is admissible to a civil servant dismissed or removed for disciplinary reasons, but the Government may sanction compassionate allowance not exceeding two-thirds of the pension or gratuity which would have been admissible had he been invalided from service on the date of dismissal or removal.

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Physics QUESTION #7106

Question 13

A wire has length $l_1$ at tension $T_1$ and $l_2$ at tension $T_2$. What is its natural length? [cite: 506, 507]

$\frac{T_1l_1 - T_2l_2}{T_2 - T_1}$
$\frac{l_1 + l_2}{2}$
$\frac{T_2l_1 + T_1l_2}{T_2 + T_1}$
$\frac{T_2l_1 - T_1l_2}{T_2 - T_1}$✔️

Correct Answer Logic:

Using $l = L + \frac{TL}{AY} = L + kT$:

$l_1 = L + kT_1$ and $l_2 = L + kT_2$ [cite: 506]
Solving for $L$ by eliminating $k$: $L = \frac{T_2l_1 - T_1l_2}{T_2 - T_1}$[cite: 515].

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3130

Question 14

Which 'Meningeal' layer is the outermost, toughest membrane protecting the brain?

Pia mater
Arachnoid mater
Dura mater✔️
Gray matter

Correct Answer Logic:

Dura mater (tough mother) is the thick, protective outer layer.

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MCQs Section QUESTION #5047

Question 15

جنگل کی شہزادی کس کی نظم ہے؟

ضمیر جعفری
کرنل محمد خان
نسیم حجازی
جوش ملیح آبادی✔️

Correct Answer Logic:

'جنگل کی شہزادی' جوش ملیح آبادی کی مشہور نظم ہے جو ان کے رومانوی و فطرت پرستانہ اسلوب کی عکاسی کرتی ہے۔

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Civil Engineering QUESTION #6566

Question 16

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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General Knowledge QUESTION #4814

Question 17

In international relations, a world order dominated by exactly two major powers is termed?

Bipolar✔️
Nationalist
Isolationist
Multipolar

Correct Answer Logic:

A bipolar world order is characterized by two dominant powers that are roughly equal in strength and compete for global influence. The Cold War era (1945–1991) is the classic example of bipolarity.

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MBBS QUESTION #10355

Question 18

HMG-CoA reductase, the rate-limiting enzyme of cholesterol biosynthesis and the pharmacological target of statin medications, catalyzes conversion of HMG-CoA to:

Mevalonate✔️
Acetoacetate
Squalene
Lanosterol

Correct Answer Logic:

HMG-CoA reductase catalyzes the committed, rate-limiting step of cholesterol synthesis — reduction of HMG-CoA to mevalonate; statins competitively inhibit this enzyme, reducing hepatic cholesterol synthesis and upregulating LDL receptor expression to lower circulating LDL cholesterol.

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