Reading Mode - Questions

Information Technology QUESTION #1114

Which type of software testing is used to confirm whether the software is according to customer's requirements?

Performance testing
Acceptance testing✔️
Regression testing
None of these

Correct Answer Logic:

Acceptance testing (User Acceptance Testing) is performed to verify if the software meets the business requirements and is ready for delivery to the end-user.

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Accounting & Finance QUESTION #6112

Question 242

Jaime's data: Capital start $14,000; Capital end $12,300; Loan received $4,000; Cash drawings $17,200; Private phone charges paid by business $300. What was the profit for the year?

$11,800
$15,500
$15,800✔️
$19,200

Correct Answer Logic:

Option C ($15,800) is correct.

Total drawings = Cash drawings $17,200 + Private phone $300 = $17,500

The loan is a liability, not capital introduced.

Profit = Closing capital + Drawings − Opening capital = $12,300 + $17,500 − $14,000 = $15,800

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Islamic Studies QUESTION #210

Question 243

Which financial institution was established by Caliph Umar (رضي الله عنه)?

Bayt al-Mal✔️
Islamic Bank
Zakat Fund
All of these

Correct Answer Logic:

The Bayt al-Mal was the state treasury for collecting and distributing revenues.

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Ability / HR / Governance / Special Education QUESTION #1808

Question 244

Under Rule 19(3), a bidder wishing to file a review petition against a blacklisting or debarment decision must do so within how many days of communication of such action?

Fifteen days
Twenty-one days
Thirty days✔️
Sixty days

Correct Answer Logic:

Rule 19(3) provides that the aggrieved bidder may file a review petition before the Authority within thirty days of communication of the blacklisting or barring action, after depositing the prescribed fee and following the procedure issued by the Authority.

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Agronomy QUESTION #2085

Question 245

Subsoiling (deep tillage with a chisel or paraplow) is specifically recommended when:

Surface soil bulk density exceeds 1.0 g/cm³
A compacted pan or hardpan layer exists at 25–45 cm depth with bulk density > 1.6–1.8 g/cm³ for loam soils, restricting root penetration, water infiltration, and drainage — disrupting this layer can dramatically improve yield on affected soils✔️
Annual plowing at 15–20 cm depth is performed regularly
The soil surface needs refinement before sowing small-seeded crops

Correct Answer Logic:

Subsoiling targets tillage pans created by repeated tillage at the same depth (plow pan) or traffic compaction (traffic pan). These layers have bulk density > 1.6–1.8 g/cm³ (loam), restricting root growth, water movement, and drainage. Chisel plows or paraglows fracture these layers at 35–60 cm depth without inverting the soil profile. Benefits last 3–5 years depending on traffic management.

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General Abilities QUESTION #7951

Question 246

$9999 + 8888 + 777 + ? = 19700$. Find the missing number.

36
16
64
26✔️

Correct Answer Logic:

$9999 + 8888 + 777 = 19664$
$19700 - 19664 = 36$... but answer key gives D (26). Let us recheck: $9999 + 8888 = 18887$, $18887 + 777 = 19664$, $19700 - 19664 = 36$. Answer should be 36 (option A). Students should verify arithmetic carefully.

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Pakistan Affairs QUESTION #9043

Question 247

Pakistan Standard Time (PST) is ahead of Greenwich Mean Time (GMT) by how many hours?

3 hours
4 hours
5 hours✔️
6 hours

Correct Answer Logic:

PST is UTC+5.

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Mathematics QUESTION #1277

Question 248

For the system of equations with parameter $a$: $x+2y-3z=4$, $3x-y+5z=2$, $4x+y+(a^2-14)z=a+2$, the system has infinitely many solutions when $a$ equals:

2
$-2$
Both $2$ and $-2$✔️
No value of $a$

Correct Answer Logic:

Row-reducing the augmented matrix leads to the condition $(a^2-14-\text{something})z=a+2-\text{something}$. The coefficient of $z$ in the last row becomes $a^2-14+\frac{14}{7}\cdot...$. After elimination: $(a^2-4)z=(a-2)$ in the last equation. For infinite solutions: coefficient and RHS both zero: $a^2-4=0\Rightarrow a=\pm2$ and $a-2=0\Rightarrow a=2$. So infinite solutions at $a=2$; no solution at $a=-2$.

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Ability / HR / Governance / Special Education QUESTION #5635

Question 249

A Principal Accounting Officer (PAO) approves an expenditure that falls outside the scope of any Grant or Appropriation. It is neither covered by a Supplementary Grant nor a Technical Supplementary Grant. Under the System of Financial Control and Budgeting what is the legal status of such expenditure?

The expenditure is valid if approved by the Financial Adviser
The expenditure is treated as unauthorized✔️
The expenditure can be regularized by the PAO if within delegated powers
The expenditure is automatically absorbed in the next budget cycle

Correct Answer Logic:

Any expenditure in excess of the Grant or Appropriation amount or that falls outside its scope and intent is treated as unauthorized unless regularized by a Supplementary Grant or Technical Supplementary Grant.

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General Abilities QUESTION #7945

Question 250

The average of 7 consecutive numbers is 33. What is the largest of these numbers?

36✔️
33
30
28

Correct Answer Logic:

For consecutive numbers, the middle (4th) number equals the average $= 33$.
The 7 numbers are: 30, 31, 32, 33, 34, 35, 36.
Largest $= 33 + 3 = 36$.

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Statistics QUESTION #1972

Question 251

In hypothesis testing, the probability of committing a Type-I error (rejecting a true null hypothesis) is denoted by:

$\beta$
$\alpha$✔️
$1 - \beta$
$1 - \alpha$

Correct Answer Logic:

Type-I error $(\alpha)$ is the probability of rejecting $H_0$ when it is actually true (false positive). Type-II error $(\beta)$ is the probability of failing to reject $H_0$ when it is false.

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Chemistry QUESTION #7401

Question 252

The strongest oxidising agent among the following halogens is:

$\text{Cl}_2$
$\text{F}_2$✔️
$\text{Br}_2$
$\text{I}_2$

Correct Answer Logic:

Oxidising power of halogens: Decreases down the group — F₂ > Cl₂ > Br₂ > I₂

F₂ is the strongest oxidising agent because:

Highest electronegativity
Lowest bond dissociation energy among halogens (easy to break F–F)
Highest electron affinity when bond breaking is factored in
F has no d-orbitals, preventing back bonding

F₂ can even oxidise noble gases like Xe and Kr.

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Math Physics Chemistry Biology QUESTION #7751

Question 253

The production of ATP is faster in which type of respiration?

Anaerobic respiration✔️
Aerobic respiration
Same in both
Not associated with respiration

Correct Answer Logic:

Anaerobic respiration (glycolysis + fermentation) produces ATP very quickly (e.g., in sprinting) but only 2 ATP per glucose. Aerobic respiration produces ~36 ATP but takes longer.

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Mathematics QUESTION #1331

Question 254

For the center of mass of a surface of revolution generated by rotating a curve about the $x$-axis, the $x$-coordinate of the center of mass is given by:

$\bar{x}=\dfrac{\int x\,dS}{\int dS}$ where $dS$ is the surface area element✔️
$\bar{x}=\dfrac{\int x\,dV}{\int dV}$
$\bar{x}=\dfrac{\int x\,dA}{\int dA}$ (area)
$\bar{x}=\dfrac{\int x\,ds}{\int ds}$ (arc length only)

Correct Answer Logic:

For a uniform surface of revolution, the center of mass lies on the axis of revolution. The $x$-coordinate is $\bar{x}=\dfrac{\int x\,dS}{\int dS}$ where $dS=2\pi y\,ds$ is the element of surface area (Pappus's theorem setup). Integration is along the generating curve.

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