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General Abilities QUESTION #2893

Question 3181

Complete the pattern: $1, 8, 27, 64, \dots$

100
125✔️
81
150

Correct Answer Logic:

The series represents cubes: $1^3, 2^3, 3^3, 4^3$. Next is $5^3 = 125$.

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Security Measures to Maintain Law and Order QUESTION #7677

Question 3182

Under the Anti-Terrorism Act, 1997, how is "terrorism" legally defined?

Any act that causes financial harm
An act intended to create a sense of fear or insecurity in society✔️
Any political protest
None of these

Correct Answer Logic:

The Anti-Terrorism Act 1997 defines terrorism as any act designed to threaten the security of Pakistan, create a sense of fear or insecurity in society, or coerce the government. It includes acts of violence, intimidation, and disruption intended to create terror.

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General Knowledge QUESTION #178

Question 3183

Largest importer of conventional arms for year 2023 (SIPRI)?

India✔️
Saudi Arabia
UAE
None of these

Correct Answer Logic:

India remains the world's top arms importer according to SIPRI reports.

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English QUESTION #2674

Question 3184

What does the idiom 'Under the weather' mean?

To be in the rain
To feel sick✔️
To be cold
To feel happy

Correct Answer Logic:

To feel 'under the weather' means to feel unwell or slightly ill.

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Chemistry QUESTION #4354

Question 3185

Consider the balanced chemical equation: $2H_2 + O_2 \rightarrow 2H_2O$. If $4\ g$ of $H_2$ reacts with $32\ g$ of $O_2$ to produce $28\ g$ of $H_2O$, what is the percentage yield of the reaction? (Molar mass of $H_2 = 2\ g/mol$, $O_2 = 32\ g/mol$, $H_2O = 18\ g/mol$)

63.6%
77.8%✔️
87.5%
92.5%

Correct Answer Logic:

Moles of $H_2 = \frac{4}{2} = 2\ mol$. Theoretical yield of $H_2O = 2 \times 18 = 36\ g$. $\% yield = \frac{28}{36} \times 100 = 77.8\%$.

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General Knowledge QUESTION #4701

Question 3186

Who was the President of Venezuela in 1989?

Raul Alfonsin
Daniel Ortega
Carlos Andrés Pérez✔️
Augusto Pinochet

Correct Answer Logic:

Carlos Andrés Pérez served as President of Venezuela from 1989 to 1993 during his second term in office.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3453

Question 3187

'Steroids' like estrogen and testosterone are derived from:

Amino acids
Glucose
Cholesterol✔️
Phosphate

Correct Answer Logic:

Cholesterol is the parent compound for all steroid hormones.

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General Knowledge QUESTION #8801

Question 3188

Marty Cooper is known for inventing which device?

Digital Computer
AIDS Vaccine
Mobile Phone✔️
Solar Energy

Correct Answer Logic:

Martin Cooper invented the first mobile phone.

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Electrical Engineering QUESTION #2146

Question 3189

In Power System Analysis, the Slack Bus is used to:

Fix the real and reactive power ($P$ and $Q$)
Provide the reference for voltage magnitude $V$ and angle $\delta$✔️
Compensate for transmission losses only
Monitor the power factor of the grid

Correct Answer Logic:

The Slack (Swing) bus serves as the reference where $V$ and $\delta$ are specified to balance the real and reactive power in the system.

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Physics QUESTION #998

Question 3190

A light source of wavelength $\lambda$ illuminates a metal and electrons are ejected with maximum KE of 2 eV. If the same surface is illuminated by wavelength $\dfrac{\lambda}{2}$, the maximum KE of ejected electrons will be (work function $= 1\ \text{eV}$):

3 eV
2 eV
6 eV
5 eV✔️

Correct Answer Logic:

From first case: $\frac{hc}{\lambda} = \phi + 2 = 1+2 = 3\ \text{eV}$. With $\frac{\lambda}{2}$: energy $= \frac{2hc}{\lambda} = 6\ \text{eV}$. Max KE $= 6 - 1 = 5\ \text{eV}$.

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Pakistan Affairs QUESTION #9035

Question 3191

Pakistan has recently been granted observer status in which international organization?

Gulf Cooperation Council (GCC)
Shanghai Cooperation Organization (SCO)✔️
Organization for Economic Cooperation and Development (OECD)
None of the above

Correct Answer Logic:

Pakistan became an SCO observer in 2005 and later a full member in 2017.

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Urdu QUESTION #5145

Question 3192

رال ٹپکنا کا کیا مطلب ہے؟

مشکل نظر آنا
منہ میں پانی آنا✔️
جی بھرنا
ان میں سے کوئی نہیں

Correct Answer Logic:

رال ٹپکنا محاورے کا مطلب ہے کسی چیز کی خواہش میں منہ میں پانی آنا۔

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Physics QUESTION #7008

Question 3193

Two magnetic materials A and B have different hysteresis loops. Material A has a wide, large-area loop and material B has a narrow, small-area loop. For use in electric generators, transformer cores, and electromagnet cores, the correct assignment is:

A for electromagnets and B for electric generators
A for transformers and B for electric generators
B for electromagnets and transformers✔️
A for electric generators and transformers

Correct Answer Logic:

Key properties:

Wide hysteresis loop (A): High retentivity and high coercivity — hard magnetic material. Good for permanent magnets (used in electric generators).
Narrow hysteresis loop (B): Low retentivity, low coercivity, low energy loss per cycle — soft magnetic material. Ideal for transformers and electromagnets (needs to magnetise/demagnetise repeatedly with low loss).

Electric generators use permanent magnets (wide loop, material A). Transformers and electromagnets use soft material (B). So Option C is correct.

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Geography QUESTION #6298

Question 3194

Which sequence correctly represents the decreasing order of salinity in world ocean regions?

Red Sea > Mediterranean Sea > Persian Gulf > Atlantic Ocean
Persian Gulf > Red Sea > Mediterranean Sea > Pacific Ocean✔️
Mediterranean Sea > Red Sea > Atlantic Ocean > Indian Ocean
Red Sea > Persian Gulf > Mediterranean Sea > Indian Ocean

Correct Answer Logic:

The Persian Gulf has the highest salinity (~40 ppt) due to extreme evaporation and restricted circulation, followed by the Red Sea (~40 ppt), Mediterranean Sea (~38 ppt), and Pacific Ocean (~34 ppt). High evaporation rates and limited freshwater input drive these variations.

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General Knowledge QUESTION #8607

Question 3195

In 1859, Sir Syed Ahmad Khan established a school where both Persian and English were taught. In which city was this school located?

Lucknow
Bijnaur
Muradabad
Aligarh✔️

Correct Answer Logic:

This school later became the foundation for Muhammadan Anglo-Oriental College, then Aligarh Muslim University.

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Academic/Professional (Social Sciences) QUESTION #6490

Question 3196

The 'Looking Glass Self' is a concept developed by which sociologist?

George Herbert Mead
Charles Horton Cooley✔️
Erving Goffman
Robert Merton

Correct Answer Logic:

Cooley proposed that our self-image is shaped by how we perceive others see us.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3138

Question 3197

Insulin is secreted by which specific cells of the pancreas?

Alpha cells
Beta cells✔️
Delta cells
F-cells

Correct Answer Logic:

Beta cells produce insulin to lower blood glucose; Alpha cells produce glucagon.

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CISA QUESTION #1745

Question 3198

Which sequence correctly represents the steps of business process reengineering (BPR)?

Diagnose, envision, redesign, reconstruct
Evaluate, envision, redesign, reconstruct, review
Envision, initiate, diagnose, redesign, reconstruct, evaluate✔️
Initiate, evaluate, diagnose, reconstruct, review

Correct Answer Logic:

The correct BPR sequence is: Envision (recognize a need), Initiate (sponsor sets goals), Diagnose (document existing processes), Redesign (develop a new process), Reconstruct (implement changes), and Evaluate (post-monitoring for improvement).

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General Knowledge QUESTION #282

Question 3199

World Tourism Day is observed every year on:

25 September
26 September
27 September✔️
None of these

Correct Answer Logic:

Since 1980, it has been observed globally on September 27.+1

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Chemistry QUESTION #5571

Question 3200

Arrange the following amines in increasing order of basicity: (a) vinylamine, (b) allylimine (secondary, =NH), (c) compound with $NH_2$ and $=NH$ groups, (d) $N$-methylamine

(b) < (a) < (d) < (c)✔️
(d) < (b) < (a) < (c)
(a) < (b) < (c) < (d)
(b) < (a) < (c) < (d)

Correct Answer Logic:

Basicity depends on electron availability on N. Imine-type N (sp² hybridized, as in =NH) is less basic than amine-type N (sp³). Among aliphatic amines, alkyl groups increase basicity. The increasing basicity order from the JEE 2018 question: (b) < (a) < (d) < (c), where the aliphatic secondary amine (c) is most basic.

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