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MCQs Section QUESTION #5070

Question 3001

'تارہ چمکنا' کا کیا مطلب ہے؟

نیچے گرنا
عروج آنا✔️
ستارے کی چمک
سست ہو جانا

Correct Answer Logic:

تارہ چمکنا محاورے کا مطلب ہے ترقی کرنا یا عروج حاصل کرنا۔

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Mathematics QUESTION #4088

Question 3002

If $\varphi: \mathbb{Z}_6 \to \mathbb{Z}_6$ is a one-to-one (injective) homomorphism, then $\ker(\varphi)$ is:

All of $\mathbb{Z}_6$
$\{0, 2, 4\}$
$\{0, 3\}$
$\{0\}$✔️

Correct Answer Logic:

A group homomorphism is injective if and only if its kernel is trivial (contains only the identity). Since $\varphi$ is one-to-one, $\ker(\varphi) = \{0\}$, the trivial subgroup of $\mathbb{Z}_6$.

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Quantitative Reasoning QUESTION #8018

Question 3003

Choose the word that is most nearly opposite in meaning to DEPOSITION

process of congealing
process of distilling
process of eroding✔️
process of evolving

Correct Answer Logic:

DEPOSITION in geological terms means the laying down or accumulation of sediment or material. The opposite would be removal or wearing away. Process of eroding is correct: erosion removes or wears away material, while deposition adds or accumulates material—opposite processes.

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Ability / HR / Governance / Special Education QUESTION #1810

Question 3004

Under Rule 42(e), the force account method may be used only if the value of procurement does not exceed:

Fifty million Pakistani Rupees
One hundred million Pakistani Rupees
Two hundred million Pakistani Rupees✔️
Five hundred million Pakistani Rupees

Correct Answer Logic:

Rule 42(e) inserted via S.R.O. 834(I)/2021 permits the use of force account only when the value of procurement does not exceed two hundred million Pakistani Rupees, and subject to the specific conditions enumerated in sub-clauses (i) through (vi) of that rule.

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Mathematics QUESTION #1322

Question 3005

For a particle moving with uniform speed along a curved path, which statement is correct?

Both tangential and normal accelerations are zero
Tangential acceleration is zero; normal acceleration is non-zero✔️
Normal acceleration is zero; tangential acceleration is non-zero
Both tangential and normal accelerations are non-zero

Correct Answer Logic:

Acceleration has two components: tangential $a_T=\dfrac{dV}{dt}$ and normal $a_N=\dfrac{V^2}{\rho}$. If speed $V$ is constant, $a_T=0$. However, if the path curves ($\rho$ finite), $a_N=\dfrac{V^2}{\rho}\neq0$. So only normal acceleration is present for uniform speed on a curved path.

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Mathematics QUESTION #4138

Question 3006

For $\vec{r} = x\hat{i} + y\hat{j} + z\hat{k}$, what is $\nabla \cdot \vec{r}$?

$0$
$1$
$3$✔️
$r$

Correct Answer Logic:

$\nabla \cdot \vec{r} = \frac{\partial x}{\partial x} + \frac{\partial y}{\partial y} + \frac{\partial z}{\partial z} = 1 + 1 + 1 = 3$.

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English QUESTION #7630

Question 3007

I need three _______ of bread.

loaf
loafs
loaves✔️
None of these

Correct Answer Logic:

The plural of 'loaf' is 'loaves'. This follows the irregular plural rule where words ending in 'f' or 'fe' change to 'ves' in plural form (e.g., leaf-leaves, knife-knives, life-lives).

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Security Measures to Maintain Law and Order QUESTION #914

Question 3008

The legal definition of an "Airport" as per Section 2 includes:

Only the terminal
All areas defined in the Civil Aviation Ordinance✔️
Only the runway
Only the control tower

Correct Answer Logic:

Section 2(b) refers to the definition provided in the Civil Aviation Ordinance, 1960.

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General Knowledge QUESTION #4778

Question 3009

What is the name of Sri Lanka's official currency?

Rupiyah
Lek
Ringgit
Sri Lankan Rupee✔️

Correct Answer Logic:

The official currency of Sri Lanka is the Sri Lankan Rupee (LKR), which has been in use since 1872. Lek is Albanian, Ringgit is Malaysian.

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English QUESTION #8381

Question 3010

Correct the sentence: 'I am tired as I am working since morning.'

was working
have been working✔️
I had been working
I will be working

Correct Answer Logic:

'Have been working' is present perfect continuous, correct for action starting in past and continuing.

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MCQs Section QUESTION #4847

Question 3011

Choose the word nearly similar in meaning to "FINICKY"

Unstable
Troubled
Fussy✔️
Unpleasant

Correct Answer Logic:

Finicky means excessively particular or fussy about one's needs or requirements. Fussy is its closest synonym, both describing someone overly hard to please.

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Federal Rules of Evidence (US) QUESTION #3793

Question 3012

A defendant is on trial for assault. He claims he acted in self-defense. He offers evidence that the victim has a reputation in the community for being 'extremely violent.' Is this admissible?

No, it's propensity evidence.
Yes, under Rule 404(a)(2)(B), a defendant may offer evidence of a victim's pertinent trait.✔️
No, unless the victim has already testified.
Yes, but only if the defendant knew of the victim's reputation at the time of the assault.

Correct Answer Logic:

Rule 404(a)(2)(B) allows a defendant in a criminal case to offer evidence of a victim's pertinent character trait (like violence) to support a claim of self-defense, regardless of the defendant's state of mind.

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Quantitative Reasoning QUESTION #8046

Question 3013

POLEMICAL: Choose the word most nearly opposite in meaning to this word.

imitative
lavish
conciliatory✔️
attractive

Correct Answer Logic:

POLEMICAL means relating to strong controversy or dispute — aggressive in argument. Its antonym is conciliatory, which means intended to make peace, reduce conflict, or bring about agreement. 'Imitative' means copying others. 'Lavish' means extravagant. 'Attractive' means pleasing. Only 'conciliatory' opposes the confrontational nature of 'polemical.'

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3396

Question 3014

The 'Optimal $pH$' for the stomach enzyme Pepsin is approximately:

$2.0$ (Acidic)✔️
$7.0$ (Neutral)
$8.5$ (Alkaline)
$14.0$ (Strongly Basic)

Correct Answer Logic:

Pepsin is highly active in the acidic environment of gastric juice.

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Pakistan Affairs QUESTION #158

Question 3015

What did the 1936 Congress manifesto state about the Govt of India Act 1935?

Congressmen were to cooperate fully
Congressmen were to work for the betterment of India
Congressmen were to combat the Act and seek to end it✔️
The manifesto did not address the Act

Correct Answer Logic:

While Congress contested elections, their stated goal was to wreck the Act from within.

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Maths QUESTION #4526

Question 3016

Solve: $2x + 5 > 13$

$x > 4$✔️
$x > 9$
$x < 4$
$x \geq 4$

Correct Answer Logic:

$2x + 5 > 13 \Rightarrow 2x > 8 \Rightarrow x > 4$

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Physics QUESTION #1059

Question 3017

The electric field in a plane EM wave is $E_z=60\cos(5x+1.5\times10^9t)\ \text{V/m}$. The corresponding magnetic field expression is:

$B_z=60\cos(5x+1.5\times10^9t)\ \text{T}$
$B_y=60\sin(5x+1.5\times10^9t)\ \text{T}$
$B_y=2\times10^{-7}\cos(5x+1.5\times10^9t)\ \text{T}$✔️
$B_x=2\times10^{-7}\cos(5x+1.5\times10^9t)\ \text{T}$

Correct Answer Logic:

Amplitude of B: $B_0=\frac{E_0}{c}=\frac{60}{3\times10^8}=2\times10^{-7}\ \text{T}$. Wave travels in $-x$ direction (since $5x+\omega t$). E is in z-direction, wave in $-x$: B must be in y-direction ($\hat{k}\times(-\hat{i})=\hat{j}$... checking: $\vec{E}\times\vec{B}\propto$ direction of propagation $=-\hat{x}$). So $B_y=2\times10^{-7}\cos(5x+1.5\times10^9t)\ \text{T}$.

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