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English QUESTION #2646

Question 2121

Which sentence is in the Present Perfect Continuous tense?

He has written a letter.
He had been writing a letter.
He is writing a letter.
He has been writing a letter.✔️

Correct Answer Logic:

The formula for Present Perfect Continuous is Subject + has/have + been + Verb(ing).

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Statistics QUESTION #2002

Question 2122

Using the same company data (800 employees, 160 degree holders, 272 managers, 80 are both), the conditional probability $P(\text{college graduate} \mid \text{manager})$ is:

$\dfrac{80}{160}$
$\dfrac{80}{272}$✔️
$\dfrac{272}{800}$
$\dfrac{160}{272}$

Correct Answer Logic:

$P(\text{grad} \mid \text{manager}) = \dfrac{P(\text{grad} \cap \text{manager})}{P(\text{manager})} = \dfrac{80/800}{272/800} = \dfrac{80}{272} \approx 0.294$. This is the definition of conditional probability.

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Dairy Food Science and Technology QUESTION #5924

Question 2123

The fat content of cream used for butter making is typically:

$20\text{–}25\%$
$35\text{–}40\%$
$40\text{–}45\%$✔️
$80\text{–}82\%$

Correct Answer Logic:

Butter-making cream typically has $35\text{–}40\%$ fat (sweet cream butter) or $40\text{–}45\%$ for higher conversion efficiency. Lower fat cream ($\approx 18\text{–}25\%$) is used for coffee cream and whipping cream.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3440

Question 2124

'Ketone Bodies' (like Acetone) are produced when there is excessive metabolism of:

Glucose
Fats✔️
Proteins
Vitamins

Correct Answer Logic:

Common in untreated diabetes or very low-carb diets.

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Ability / HR / Governance / Special Education QUESTION #1891

Question 2125

Under Rule 9 when a borrowing authority wants to initiate disciplinary proceedings against a deputationist what must it do FIRST?

Directly suspend the government servant
Forward a report with supporting documents to the lending authority✔️
Refer the matter to the Federal Public Service Commission
Issue a show cause notice directly to the accused

Correct Answer Logic:

Rule 9 requires the borrowing authority to forward to the lending authority a report with supporting documents before any disciplinary action; the lending authority then takes action under the rules.

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Mathematics QUESTION #1326

Question 2126

Green's theorem applied to the vector field $\vec{F}=\left(\dfrac{1}{2}xy^4,\dfrac{1}{2}x^4y\right)$ over the rectangle $[0,3]\times[0,2]$ gives:

$\iint_R 2x^3y-2xy^3\,dA$✔️
$\iint_R x^3y+xy^3\,dA$
$\iint_R xy^3-x^3y\,dA$
$\iint_R 2(x^3+y^3)\,dA$

Correct Answer Logic:

By Green's theorem: $\oint_C\vec{F}\cdot d\vec{r}=\iint_R\left(\dfrac{\partial Q}{\partial x}-\dfrac{\partial P}{\partial y}\right)dA$. With $P=\dfrac{1}{2}xy^4$ and $Q=\dfrac{1}{2}x^4y$: the integrand is $2x^3y-2xy^3$. Integrating over the rectangle gives the circulation.

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Planning QUESTION #4980

Question 2127

In Le Corbusier's Radiant City concept, what was the recommended minimum distance between high-rise buildings?

Equal to building height
Twice the building height
Three times the building height✔️
Five times the building height

Correct Answer Logic:

Le Corbusier's 'towers in the park' concept recommended spacing high-rises at three times their height to ensure adequate sunlight, air circulation, and open space between buildings while achieving high densities through vertical development.

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Federal Rules of Evidence (US) QUESTION #3790

Question 2128

A defendant is on trial for possession of stolen property. He testifies in his own defense. On cross-examination, the prosecutor asks, 'Isn't it true that you lied on your last two tax returns?' The defendant has never been convicted of tax fraud. Is the question permitted?

No, because there was no conviction.
Yes, because Rule 608(b) allows inquiry into specific instances of conduct on cross-examination if they are probative of the witness's character for truthfulness.✔️
No, because it is 'extrinsic evidence.'
Yes, but only if the defendant first introduced evidence of his own good character.

Correct Answer Logic:

Rule 608(b) allows a court to permit cross-examination into specific instances of conduct (even without conviction) if they are probative of the witness's character for truthfulness or untruthfulness.

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General Abilities QUESTION #4616

Question 2129

What is $|{-7}|$?

$-7$
$7$✔️
$0$
$\frac{1}{7}$

Correct Answer Logic:

Absolute value is always non-negative. $|{-7}| = 7$

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General Abilities QUESTION #4628

Question 2130

What is $(-1)^{100}$?

$-1$
$1$✔️
$100$
$-100$

Correct Answer Logic:

Negative to even power is positive. $(-1)^{100} = 1$

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Islamic Studies QUESTION #329

Question 2131

"Do not raise your voice above the voice of the Prophet (ﷺ)." This order is in:

Al-Ahzab
Al-Maidah
Al-Hujurat✔️
Al-Najm

Correct Answer Logic:

This etiquette is commanded in the opening verses of Surah Al-Hujurat.

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Geography QUESTION #1251

Question 2132

'Spatial databases' are also known as:

Geodatabases✔️
Mono-databases
Concurrent databases
None of these

Correct Answer Logic:

Spatial databases (also called geodatabases) are databases optimized to store, query, and manipulate data that represents objects defined in geometric space — particularly geographic features. The term 'geodatabase' is widely used in GIS (especially in ESRI's ArcGIS platform) to describe a database of spatial/geographic data with both location and attribute information.

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General Knowledge QUESTION #8919

Question 2133

'Mocha' is a type of:

Coffee✔️
Tea
Chocolate
Juice

Correct Answer Logic:

Mocha is a type of coffee.

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General Science and Ability QUESTION #188

Question 2134

Global winds towards western direction are known as:

Trade winds✔️
Western winds
Reynolds wind
None of these

Correct Answer Logic:

Trade winds (easterlies) blow from east to west toward the equator.

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General Abilities QUESTION #2837

Question 2135

Find the next term in: $2, 3, 5, 8, 13, 21, \_\_\_$

29
33
34✔️
35

Correct Answer Logic:

This is a Fibonacci-type sequence where each term is the sum of the two preceding terms. $13 + 21 = 34$.

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Nursing QUESTION #9244

Question 2136

A Charge Nurse is caring for a post-cardiac surgery patient. The patient develops cardiac tamponade. Which clinical triad is MOST characteristic?

Hypertension, bradycardia, and widened pulse pressure
Hypotension, muffled heart sounds, and distended neck veins (Beck's Triad)✔️
Tachycardia, hypertension, and pulmonary edema
Fever, pericardial friction rub, and sharp chest pain

Correct Answer Logic:

Correct Answer: B — Beck's Triad

Cardiac Tamponade: Beck's Triad

Hypotension — reduced cardiac output due to compression
Muffled (distant) heart sounds — fluid surrounding the heart dampens sounds
Jugular venous distension (JVD) — elevated venous pressure as blood cannot enter compressed heart

Additional signs:

Pulsus paradoxus $> 10 \text{ mmHg}$: Exaggerated fall in systolic BP during inspiration
Tachycardia (compensatory)
Electrical alternans on ECG (alternating QRS amplitude)
Enlarged cardiac silhouette on CXR ('water bottle' heart)

Treatment: Pericardiocentesis (emergency needle drainage) — nurse must prepare equipment immediately. Do NOT give diuretics (worsens hypovolemia). Volume loading may temporarily support BP.

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Planning QUESTION #5014

Question 2137

In parking demand estimation, what is the typical parking index for office buildings?

1 space per 10 sqm
1 space per 25 sqm
1 space per 50 sqm✔️
1 space per 100 sqm

Correct Answer Logic:

Standard parking requirements for office buildings typically range from 1 space per 40-60 sqm of gross floor area (approximately 1 space per 200-300 sqft), balancing employee/visitor needs with land use efficiency and transit availability.

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Mathematics QUESTION #1280

Question 2138

If $w=f(x^2+y^2)$, then the expression $y\dfrac{\partial w}{\partial x}-x\dfrac{\partial w}{\partial y}$ equals:

1
$2xy$
$f'(x^2+y^2)$

Correct Answer Logic:

Let $t=x^2+y^2$. Then $\dfrac{\partial w}{\partial x}=f'(t)\cdot2x$ and $\dfrac{\partial w}{\partial y}=f'(t)\cdot2y$. So: $y\dfrac{\partial w}{\partial x}-x\dfrac{\partial w}{\partial y}=y\cdot2xf'(t)-x\cdot2yf'(t)=2xyf'(t)-2xyf'(t)=0$.

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Chemistry QUESTION #1087

Question 2139

Total number of possible isomers (both structural and stereoisomers) of cyclic ethers of molecular formula $\text{C}_4\text{H}_8\text{O}$ is:

10✔️
11
6
8

Correct Answer Logic:

Cyclic ethers with formula C$_4$H$_8$O: (1) Oxetane ring with methyl substituents, (2) Tetrahydrofuran (THF) — 1 structure, (3) Oxetane + methyl: 2-methyloxetane (2 enantiomers), 3-methyloxetane (1), (4) Oxirane + ethyl/dimethyl: 2-ethyloxirane (2 enantiomers), 2,2-dimethyloxirane (1), 2,3-dimethyloxirane (cis+trans = 3). Total = 1+2+1+2+1+3 = 10.

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General Knowledge QUESTION #4729

Question 2140

The term 'Fourth Estate' refers to which institution?

Executive branch
Secret intelligence agency
Press and media✔️
Judiciary

Correct Answer Logic:

The 'Fourth Estate' is a term referring to the press and news media, representing their role as a social force in addition to the traditional three estates of government.

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