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Tentative means not certain or fixed; done as a trial. Its antonym is 'expedient,' meaning suitable and practical for a particular purpose — implying decisiveness rather than hesitation.

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Basic Mathematics QUESTION #4632

Question 4127

Simplify: $\sqrt{48}$

$4\sqrt{3}$✔️
$6\sqrt{2}$
$2\sqrt{12}$
$12\sqrt{4}$

Correct Answer Logic:

$\sqrt{48} = \sqrt{16 \times 3} = 4\sqrt{3}$

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Math (Module-1) QUESTION #5466

Question 4128

The scatterplot shows $x$ and $y$ with a negative linear trend. Which equation is the most appropriate linear model?

$y = 0.9 + 9.4x$
$y = 0.9 - 9.4x$
$y = 9.4 + 0.9x$
$y = 9.4 - 0.9x$✔️

Correct Answer Logic:

A negative linear trend requires a negative slope. Option 4 has a negative slope ($-0.9$) and a reasonable intercept.

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Biology QUESTION #543

Question 4129

Which of the following has 40 chromosomes?

Corn
Sugarcane
Frog
Mouse✔️

Correct Answer Logic:

Mouse has 40 chromosomes

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3066

Question 4130

'Isotonic' solutions have the same osmotic pressure as:

Pure water
Blood and tears✔️
Syrup
Oil

Correct Answer Logic:

Isotonic solutions (like $0.9\%~NaCl$) are compatible with body fluids.

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Urdu QUESTION #5066

Question 4131

زیر، زبر، پیش لگانے کو اردو میں کیا کہتے ہیں؟

رموزِ اوقاف
وائیں
اعراب✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

اعراب وہ علامات ہیں جو حروف کے نیچے اوپر لگائی جاتی ہیں، جیسے زیر، زبر اور پیش۔

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Urdu QUESTION #5027

Question 4132

ابلیس کی مجلسِ شوریٰ کس شاعر کی نظم ہے؟

ناصر کاظمی
مولانا ظفر علی خان
علامہ اقبال✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

ابلیس کی مجلسِ شوریٰ علامہ اقبال کی مشہور فلسفیانہ نظم ہے جو ارمغانِ حجاز میں شامل ہے۔

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English QUESTION #505

Question 4133

MANGLED

Dodged
Grained
Indisputable
Damaged✔️

Correct Answer Logic:

Mangled means severely damaged or mutilated

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3485

Question 4134

'Rauwolfia serpentina' (Asrol) is primarily used for:

Treating cough
Lowering high blood pressure (Hypertension)✔️
Increasing appetite
Treating malaria

Correct Answer Logic:

Reserpine, found in Rauwolfia, is a potent antihypertensive.

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Mathematics QUESTION #4097

Question 4135

The polar equation $r=2\cos\theta$ is equivalent to which Cartesian equation?

$x^2+y^2=4$
$(x-1)^2+y^2=1$✔️
$x^2+(y-1)^2=1$
$(x-2)^2+y^2=2$

Correct Answer Logic:

Multiply both sides by $r$: $r^2=2r\cos\theta$. Since $r^2=x^2+y^2$ and $r\cos\theta=x$: $x^2+y^2=2x\Rightarrow x^2-2x+y^2=0\Rightarrow(x-1)^2+y^2=1$. This is a circle with center $(1,0)$ and radius $1$.

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City and Regional Planning QUESTION #4988

Question 4136

In cost-benefit analysis, if Benefit-Cost Ratio (BCR) is 0.85, the project should be:

Immediately approved
Rejected✔️
Modified and reanalyzed
Implemented with subsidies

Correct Answer Logic:

BCR = $\frac{\text{PV of Benefits}}{\text{PV of Costs}}$ < 1.0 indicates costs exceed benefits, making the project economically unviable from a welfare perspective. Projects should only proceed if BCR ≥ 1.0, meaning benefits justify costs.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5805

Question 4137

Which board is responsible for inspecting laboratories for drug registration?

PQCB
CLB
Registration Board✔️
Appellate Board

Correct Answer Logic:

The Registration Board inspects labs and registers drugs[cite: 7].

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Professional QUESTION #1855

Question 4138

Promotions and transfers to posts in BPS 19 to 21 shall be made on the recommendation of which body?

Departmental Promotion Committee
Federal Public Service Commission
Selection Boards✔️
Establishment Division

Correct Answer Logic:

Rule 7 states that promotions and transfers to posts in BPS 19 to 21 and equivalent shall be made on the recommendation of the Selection Boards.

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City and Regional Planning QUESTION #4955

Question 4139

What is the main advantage of GIS over traditional mapping?

Lower cost
Spatial analysis and data integration capabilities✔️
Simpler to use
Requires less training

Correct Answer Logic:

GIS enables sophisticated spatial analysis, multi-layered data integration, dynamic querying, and modeling capabilities far beyond traditional static maps, supporting complex planning decisions.

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Mathematics QUESTION #1289

Question 4140

The limit $\lim_{x\to0}\left(\dfrac{1}{\sin x}-\dfrac{1}{x}\right)$ equals:

1
$\infty$
$-1$

Correct Answer Logic:

Combine fractions: $\dfrac{x-\sin x}{x\sin x}$. As $x\to0$, numerator $x-\sin x\approx\dfrac{x^3}{6}$ and denominator $x\sin x\approx x\cdot x=x^2$. So the limit $\approx\dfrac{x^3/6}{x^2}=\dfrac{x}{6}\to0$. L'Hôpital or Taylor series confirms the limit is $0$.

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