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General Abilities QUESTION #2889

Question 3101

What is the value of $x$ if $\frac{x}{4} + 5 = 8$?

12✔️
4
3
7

Correct Answer Logic:

$x/4 = 3 \implies x = 3 \times 4 = 12$.

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HR and Management QUESTION #6480

Question 3102

When discussing 'opportunities to excel in future' as an attraction factor, it refers to:

Guaranteed promotions for all employees
Career development and advancement opportunities✔️
Stock options and equity participation
International assignment possibilities

Correct Answer Logic:

Opportunities to excel refer to career development and advancement opportunities - the chance for employees to grow, learn, and advance their careers. This is a key attraction factor alongside quality work environment and benefits.

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General Knowledge QUESTION #8716

Question 3103

The name 'Maria Montessori' is primarily associated with which field?

Social Work
Women's rights champion
Child education✔️
Sports

Correct Answer Logic:

Montessori developed a renowned method of child education.

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General Knowledge QUESTION #8706

Question 3104

Brass is an alloy of copper and which other metal?

Iron
Steel
Zinc✔️
Silver

Correct Answer Logic:

Brass is copper and zinc.

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English QUESTION #4441

Question 3105

The availability of oxygen is an essential ____ for animal life, while carbon dioxide is equally ____ for plant life.

choice, optional
duplication, selective
luxury, harmful
None of these✔️

Correct Answer Logic:

Oxygen is essential for animals and CO2 is essential for plants. None of the paired options provide two synonyms for 'essential'.

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General Knowledge QUESTION #8851

Question 3106

During an uphill journey, a person bends forward to maintain:

High Speed
Stability✔️
Avoiding fatigue
Avoiding beasts

Correct Answer Logic:

Leaning forward helps maintain stability against gravity.

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Mathematics QUESTION #6940

Question 3107

Find the number of surjective (onto) functions $f$ from $\{1,2,3,\ldots,20\}$ to $\{1,2,3,\ldots,20\}$ such that $f(k)$ is a multiple of 3 whenever $k$ is a multiple of 4.

$6^5 \times (15)!$
$5! \times 6!$
$(15)! \times 6!$✔️
$5^6 \times 15$

Correct Answer Logic:

Multiples of 4 in $\{1,\ldots,20\}$: $\{4,8,12,16,20\}$ — 5 elements. Their images must be multiples of 3 in $\{1,\ldots,20\}$: $\{3,6,9,12,15,18\}$ — 6 elements.

Assign the 5 multiples-of-4 to 5 of the 6 multiples-of-3 (injectively, since $f$ is onto): $6 \times 5 \times 4 \times 3 \times 2 = 6!/(6-5)! = 720$... but we need surjection on all 20 elements.

The remaining 15 domain elements map to the remaining 15 codomain elements (after fixing the 5 images above): $(15)!$ ways. But 1 multiple-of-3 is unused by the multiples-of-4, so it must be covered by remaining 15 elements.

Total $= 6! \times (15)! = (15)! \times 6!$

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Chemistry QUESTION #7117

Question 3108

For an elementary chemical reaction $A_{2} \xrightleftharpoons[k_{-1}]{k_{1}} 2A$, which of the following is the correct mathematical expression for the rate of change of concentration of $A$ ($\frac{d[A]}{dt}$)?

$k_{1}[A_{2}] - k_{-1}[A]^{2}$
$2k_{1}[A_{2}] - k_{-1}[A]^{2}$
$k_{1}[A_{2}] + k_{-1}[A]^{2}$
$2k_{1}[A_{2}] - 2k_{-1}[A]^{2}$✔️

Correct Answer Logic:

The rate of appearance of $A$ from the forward reaction is $2 \times (\text{rate of forward reaction}) = 2k_1[A_2]$. The rate of disappearance of $A$ in the backward reaction is $2 \times (\text{rate of backward reaction}) = 2k_{-1}[A]^2$. Thus, the net rate is $\frac{d[A]}{dt} = 2k_{1}[A_{2}] - 2k_{-1}[A]^{2}$.

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Quantitative Reasoning QUESTION #8040

Question 3109

PROHIBITIVE : PURCHASE :: (Find the pair that best matches the relationship between the given words)

preventive : heal
laudatory : praise
admonitory : fear
imperative : comply✔️

Correct Answer Logic:

Something PROHIBITIVE (excessively costly or restrictive) prevents a PURCHASE from happening. Something imperative (absolutely necessary/commanding) compels one to comply. Both pairs = [adjective describing a force] : [action it drives or prevents]. Note: the pattern here is [adjective] causes/prevents [action]. 'Preventive:heal' works partially but 'preventive' is more general. 'Imperative:comply' most closely mirrors the cause-effect relationship.

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Pakistan Affairs QUESTION #9037

Question 3110

Who has the credit of being the first woman High Court judge in Pakistan?

Talat Yaqub
Nasira Javed Iqbal
Majida Rizvi✔️
Fakhrun Nisa Khokhar

Correct Answer Logic:

Majida Rizvi was the first female High Court judge in Pakistan (Sindh High Court).

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Chemistry QUESTION #5543

Question 3111

Which of the following diatomic molecules is expected to show diamagnetic behaviour according to Molecular Orbital Theory?

$C_2$
$N_2$✔️
$O_2$
$S_2$

Correct Answer Logic:

$N_2$ has the electronic configuration $(\sigma_{1s})^2(\sigma^*_{1s})^2(\sigma_{2s})^2(\sigma^*_{2s})^2(\pi_{2p})^4(\sigma_{2p})^2$ — all electrons are paired → diamagnetic. $O_2$ and $S_2$ have unpaired electrons in $\pi^*$ orbitals → paramagnetic. $C_2$ has all electrons paired in $\pi$ orbitals and is also diamagnetic. Both $C_2$ and $N_2$ are diamagnetic, but $N_2$ is the more standard textbook answer.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5756

Question 3112

Which enzyme is permanently inactivated by organophosphate compounds like Echothiophate?

Monoamine Oxidase
Angiotensin Converting Enzyme
Acetylcholinesterase✔️
Carbonic Anhydrase

Correct Answer Logic:

Echothiophate is an organophosphate that covalently binds and permanently inactivates acetylcholinesterase.

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General Knowledge QUESTION #8869

Question 3113

Sindh was separated from the Bombay Presidency in which year?

1919
1925
1935✔️
1937

Correct Answer Logic:

Sindh became a separate province in 1935 (Government of India Act 1935).

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General Knowledge QUESTION #4714

Question 3114

Antonio Guterres, appointed UN High Commissioner for Refugees in 2005, was formerly Prime Minister of which country?

Denmark
Romania
Canada
Portugal✔️

Correct Answer Logic:

António Guterres served as Prime Minister of Portugal from 1995 to 2002 before becoming UN High Commissioner for Refugees (2005–2015) and later UN Secretary-General.

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Physics QUESTION #396

Question 3115

Force in terms of base units is expressed as

kg ms??✔️
kg m?s??
kg m?s??
None of these

Correct Answer Logic:

Force = mass ? acceleration = kg?m?s??

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3047

Question 3116

'Physical Incompatibility' is often visible as:

Precipitation or liquefaction✔️
A change in chemical structure
Increased pharmacological effect
Development of a new smell

Correct Answer Logic:

Physical incompatibilities involve changes in solubility, state, or appearance.

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Islamic Studies QUESTION #218

Question 3117

During which rule was the Dome of the Rock built?

Umar ibn al-Khattab
Abd al-Malik ibn Marwan✔️
Muawiya
None of these

Correct Answer Logic:

The structure in Jerusalem was completed in 691 CE during Umayyad rule.

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Electrical Engineering QUESTION #2142

Question 3118

Which bridge circuit is most suitable for the measurement of a high-quality factor ($Q > 10$) inductor?

Maxwell Bridge
Hay Bridge✔️
Anderson Bridge
Wheatstone Bridge

Correct Answer Logic:

The Hay Bridge is preferred for high-$Q$ inductors because the balance equations provide better accuracy for such components where $Q = \frac{\omega L}{R}$.

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Nursing QUESTION #9228

Question 3119

A critically ill patient develops Acute Kidney Injury (AKI). According to the KDIGO RIFLE criteria, a patient whose serum creatinine has increased to 2.5 times the baseline within 7 days is classified at which stage?

Risk (Stage 1)
Injury (Stage 2)✔️
Failure (Stage 3)
Loss

Correct Answer Logic:

Correct Answer: B — Injury / Stage 2

KDIGO AKI Staging Criteria:

Stage	Serum Creatinine	Urine Output
1 (Risk)	$\times 1.5 - 1.9$ baseline within 7 days OR $\uparrow \geq 0.3 \text{ mg/dL}$ within 48h	$< 0.5 \text{ mL/kg/h}$ for $6-12$ h
2 (Injury)	$\times 2.0 - 2.9$ baseline	$< 0.5 \text{ mL/kg/h}$ for $\geq 12$ h
3 (Failure)	$\times 3.0$ baseline OR $\geq 4.0 \text{ mg/dL}$ OR initiation of RRT	$< 0.3 \text{ mL/kg/h}$ for $\geq 24$ h OR anuria $\geq 12$ h

A creatinine rise of $\times 2.5$ falls within the Stage 2 (Injury) range. Early recognition and fluid optimization are critical nursing responsibilities in AKI management.

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Pakistan Affairs QUESTION #138

Question 3120

What is the approximate area covered by Pakistan's forests?

9%
7%
5%
4.80%✔️

Correct Answer Logic:

According to most international and government reports, Pakistan's forest cover is approximately 4.8% to 5%.

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Suggest a Question

Stage	Serum Creatinine	Urine Output
1 (Risk)	\(\times 1.5 - 1.9\) baseline within 7 days OR \(\uparrow \geq 0.3 \text{ mg/dL}\) within 48h	\(< 0.5 \text{ mL/kg/h}\) for \(6-12\) h
2 (Injury)	\(\times 2.0 - 2.9\) baseline	\(< 0.5 \text{ mL/kg/h}\) for \(\geq 12\) h
3 (Failure)	\(\times 3.0\) baseline OR \(\geq 4.0 \text{ mg/dL}\) OR initiation of RRT	\(< 0.3 \text{ mL/kg/h}\) for \(\geq 24\) h OR anuria \(\geq 12\) h