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Maths QUESTION #4562
Question 1
What is the reciprocal of $\frac{5}{7}$?
  • $\frac{-5}{7}$
  • $\frac{7}{5}$βœ”οΈ
  • $\frac{5}{7}$
  • $\frac{1}{35}$
Correct Answer Logic:
Reciprocal of $\frac{a}{b}$ is $\frac{b}{a}$. So reciprocal of $\frac{5}{7}$ is $\frac{7}{5}$
Uploaded by: Fani Warraich
General Knowledge QUESTION #4697
Question 2
Sosuke Uno held which political position?
  • Maker of Micro-Computers
  • Prime Minister of Singapore
  • Head of a Chinese town
  • Prime Minister of Japanβœ”οΈ
Correct Answer Logic:
Sosuke Uno served briefly as Prime Minister of Japan in 1989, resigning after only 69 days due to a personal scandal.
Uploaded by: Fani Warraich
Electrical Engineering QUESTION #2167
Question 3
The z-transform of $x[n] = a^n u[n]$ is $X(z) = \frac{z}{z-a}$ with ROC $|z|>|a|$. For $a = 0.8$, the final value $\lim_{n \to \infty} x[n]$ is:
  • $0$βœ”οΈ
  • $1$
  • $0.8$
  • Diverges to infinity
Correct Answer Logic:
Since $|a| = 0.8 < 1$, $\lim_{n\to\infty}(0.8)^n = 0$. Confirmed by the Final Value Theorem: $\lim_{z\to1}(z-1)X(z) = \lim_{z\to1}\frac{z(z-1)}{z-0.8} = 0$.
Uploaded by: Fani Warraich
Math Physics Chemistry Biology QUESTION #517
Question 4
In what direction, can a DNA polymerase work when catalyzing the addition of nucleotide monomers to build a strand of DNA?
  • From the 5' toward the 3' end of the new strand being assembled.
  • From the replication centers in two directions called replication forks.βœ”οΈ
  • From the 3' to the 5' end of the strand being assembled.
  • In both directions if DNA ligase is present.
Correct Answer Logic:
DNA polymerase works 5' to 3' but answer key shows B
Uploaded by: Fani Warraich
Islamic Studies QUESTION #623
Question 5
The Prophet Muhammad (ο·Ί) advised the name of Hazrat Abubakar (رآي Ψ§Ω„Ω„Ω‡ ΨΉΩ†Ω‡) after embracing Islam as:
  • Abubakar (رآي Ψ§Ω„Ω„Ω‡ ΨΉΩ†Ω‡)
  • Abdullah (رآي Ψ§Ω„Ω„Ω‡ ΨΉΩ†Ω‡)βœ”οΈ
  • Abdur Rehman (رآي Ψ§Ω„Ω„Ω‡ ΨΉΩ†Ω‡)
  • Abul Wafa (رآي Ψ§Ω„Ω„Ω‡ ΨΉΩ†Ω‡)
Correct Answer Logic:
The Prophet (ο·Ί) changed his name from Abdul Ka'aba to Abdullah.
Uploaded by: Fani Warraich
Security Measures to Maintain Law and Order QUESTION #851
Question 6
When maintaining order, the "Principle of Proportionality" in the use of force means:
  • Force must equal the threatβœ”οΈ
  • Force must exceed the threat
  • Use of force is never allowed
  • Force is used only on weekends
Correct Answer Logic:
Ethics in security require that the level of force used must be the minimum necessary to neutralize the specific threat encountered.
Uploaded by: Fani Warraich
General Knowledge QUESTION #4800
Question 7
The International Day of Peace is observed globally on which date each year?
  • 21st Septemberβœ”οΈ
  • 23rd September
  • 12th October
  • 1st November
Correct Answer Logic:
The International Day of Peace is observed every year on September 21, established by the United Nations in 1981 (and set to this specific date in 2001) to promote peace and non-violence worldwide.
Uploaded by: Fani Warraich
English QUESTION #8566
Question 8
What does the idiom 'to bury the hatchet' mean?
  • to start war
  • to make peaceβœ”οΈ
  • to make a foolish choice
  • to burn something important
Correct Answer Logic:
'Bury the hatchet' means to end a conflict and make peace.
Uploaded by: Fani Warraich
Planning QUESTION #4986
Question 9
In travel demand forecasting, what does 'modal split' analysis determine?
  • Total trips generated
  • Choice between transportation modesβœ”οΈ
  • Destination of trips
  • Time of travel
Correct Answer Logic:
Modal split (mode choice) analysis determines how trips are distributed among available transportation modes (car, bus, rail, walk, cycle) based on factors like cost, time, comfort, and accessibility, typically following trip distribution in the 4-step model.
Uploaded by: Fani Warraich
Education QUESTION #1475
Question 10
According to Abdul Halim El-Muhammady (1993), the purpose of education is to produce individuals willing to take on the responsibility of:
  • Teachers and scholars
  • Scientists and engineers
  • Caliphs (successors of Prophet Muhammad)βœ”οΈ
  • Government officials
Correct Answer Logic:
El-Muhammady stated that the purpose of education is to produce righteous individuals willing to take on the responsibility of the caliphs entrusted by Allah to lead us to happiness in this world and the next.
Uploaded by: Fani Warraich
Boilers Mechanical Engineering QUESTION #2516
Question 11
In normal-tangential (n-t) coordinates, the acceleration of a particle moving along a curved path with speed \(v\) and radius of curvature \(\rho\) is:
  • Only the tangential component \(\dot{v}\,\hat{e}_t\)
  • Only the normal component \(\frac{v^2}{\rho}\hat{e}_n\)
  • Both \(a_t = \dot{v}\) tangentially and \(a_n = \frac{v^2}{\rho}\) normallyβœ”οΈ
  • A single vector directed toward the center of curvature
Correct Answer Logic:
In n-t coordinates: \(\mathbf{a}=\dot{v}\hat{e}_t + \frac{v^2}{\rho}\hat{e}_n\). The tangential component \(a_t=\dot{v}\) reflects speed change; the normal (centripetal) component \(a_n=v^2/\rho\) reflects direction change.
Uploaded by: Fani Warraich
Security Measures to Maintain Law and Order QUESTION #839
Question 12
If an officer uses force in "Good Faith" to stop a riot at the terminal, they are protected under:
  • Section 7-A
  • Section 5
  • Section 12βœ”οΈ
  • Section 10
Correct Answer Logic:
Section 12 (Indemnity) protects members from legal suits for acts done in good faith under the Act.
Uploaded by: Fani Warraich
Political Science QUESTION #6676
Question 13

In France, system of government is:
  • Presidential
  • Parliamentary
  • Mixedβœ”οΈ
  • None of these
Correct Answer Logic:

France operates under a semi-presidential (mixed) system where both a President and a Prime Minister hold executive powers.

Uploaded by: Fani Warraich
Political Science QUESTION #6684
Question 14

The 'Great Compromise' in US Constitutional history relates to:
  • Slavery
  • Representation in Congressβœ”οΈ
  • Taxation
  • None of these
Correct Answer Logic:

The Great Compromise (Connecticut Compromise) established the dual system of congressional representation (Senate and House).

Uploaded by: Fani Warraich
Sociology QUESTION #1671
Question 15
Talcott Parsons' 'pattern variables' framework presents five pairs of opposed value-orientation choices that structure social action and role expectations. Which of the following pairings does NOT belong to Parsons' original set of pattern variables?
  • Universalism versus Particularism
  • Achievement versus Ascription
  • Rationalism versus Emotionalismβœ”οΈ
  • Affectivity versus Affective Neutrality
Correct Answer Logic:
Parsons' five pattern variables are: (1) Universalism vs. Particularism, (2) Achievement vs. Ascription, (3) Affectivity vs. Affective Neutrality, (4) Specificity vs. Diffuseness, and (5) Self-orientation vs. Collectivity-orientation. 'Rationalism vs. Emotionalism' is NOT one of Parsons' pattern variables β€” making it the correct answer to this 'which does NOT belong' question.
Uploaded by: Fani Warraich
Accounting &amp; Finance QUESTION #6105
Question 16

Vehicle X cost $80,000, useful life 5 years, residual value $5,000, depreciated straight-line. After 3 years, part-exchange value was $20,000. What was the loss on disposal?
  • $12,000
  • $15,000βœ”οΈ
  • $24,000
  • $30,000
Correct Answer Logic:

Option B ($15,000) is correct.

Annual depreciation = ($80,000 − $5,000) ÷ 5 = $15,000

Accumulated depreciation after 3 years = $45,000

Carrying value = $80,000 − $45,000 = $35,000

Loss on disposal = $35,000 − $20,000 = $15,000

Uploaded by: Fani Warraich
Reading and Writing (Module-1) QUESTION #10396
Question 17
The old bridge, though ------- in appearance, was structurally sound enough to support heavy trucks.
  • sturdy
  • dilapidatedβœ”οΈ
  • modern
  • reinforced
Correct Answer Logic:
'Though X in appearance, sound enough to support trucks' contrasts looks with strength, so X means run-down: 'dilapidated.'
Uploaded by: Fani Warraich
General Knowledge QUESTION #4824
Question 18
Which country on the world map is shaped like a long boot?
  • Italyβœ”οΈ
  • Malta
  • Croatia
  • Moldova
Correct Answer Logic:
Italy is famously described as resembling a boot or high-heeled boot on the map, with the peninsula extending into the Mediterranean Sea and the 'toe' pointing towards Sicily.
Uploaded by: Fani Warraich
Physics QUESTION #7019
Question 19
Calculate the ratio of the root mean square ($rms$) velocities of Helium and Argon atoms, given that the atomic mass of Helium is $4\text{ u}$ and Argon is $40\text{ u}$, both at the same temperature.
  • $3.16$βœ”οΈ
  • $0.32$
  • $0.45$
  • $2.24$
Correct Answer Logic:
The $rms$ velocity is given by $v_{rms} = \sqrt{\frac{3RT}{M}}$. Since $T$ is constant, the ratio is inversely proportional to the square root of the molar masses: $\frac{v_{He}}{v_{Ar}} = \sqrt{\frac{M_{Ar}}{M_{He}}} = \sqrt{\frac{40}{4}} = \sqrt{10} \approx 3.16$.
Uploaded by: Fani Warraich
Business, Public administration and Policy QUESTION #10527
Question 20
The idea that public policies tend to reflect the preferences of small, unrepresentative elite groups rather than the majority is central to:
  • Rational Choice Theory
  • Public Choice Theory
  • Elite Theoryβœ”οΈ
  • None of these
Correct Answer Logic:
Elite Theory (associated with Vilfredo Pareto, Gaetano Mosca, and C. Wright Mills) argues that policy outcomes reflect the preferences of a small power elite β€” wealthy, well-organized, or politically connected minorities β€” rather than the democratic majority. In the original paper the answer was 'None of these', suggesting that while 'Public Choice Theory' was listed, the best answer per the original key was (D). We have placed Elite Theory as option C accordingly.
Uploaded by: Fani Warraich
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