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General Knowledge QUESTION #2595

A document contains 2,048 bytes of data. How many bits does this document contain?

2,048 bits
4,096 bits
16,384 bits✔️
8,192 bits

Correct Answer Logic:

Since 1 byte = 8 bits: $2{,}048 \times 8 = 16{,}384$ bits. This conversion is essential when working with file sizes, network speeds (measured in bits per second), and storage capacities.

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Accounting & Finance QUESTION #9626

Question 10822

Gross Profit is Rs. 40,000. Administrative expenses are Rs. 15,000, selling expenses Rs. 5,000, and financial expenses Rs. 5,000. There is also other income of Rs. 2,000. What is the Net Profit?

Rs. 15,000
Rs. 17,000✔️
Rs. 10,000
Rs. 12,000

Correct Answer Logic:

Net Profit = Gross Profit – Operating Expenses + Other Income. Operating expenses = 15,000 + 5,000 + 5,000 = Rs. 25,000. Operating Profit = 40,000 – 25,000 = Rs. 15,000. Add other income: 15,000 + 2,000 = Rs. 17,000.

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Civil Engineering QUESTION #6563

Question 10823

An $n \times n$ matrix is said to be symmetric when:

It equals its own transpose✔️
Its determinant equals zero
It is of 2nd order
None of the above

Correct Answer Logic:

A matrix is symmetric if $A = A^T$, i.e., element $a_{ij} = a_{ji}$ for all $i$ and $j$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3433

Question 10824

'Lipolysis' is the process of:

Building fat
Breaking down triglycerides into glycerol and fatty acids✔️
Storing sugar
Absorbing water

Correct Answer Logic:

Occurs when the body needs energy during fasting or exercise.

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Islamic Studies QUESTION #640

Question 10825

Who translated the Holy Qur'an into Persian for the first time in the subcontinent?

Shah Waliullah✔️
Shah Abdul Aziz
Shah Rafiuddin
None of these

Correct Answer Logic:

Shah Waliullah Dehlawi translated it to make it accessible to the masses.

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CISA QUESTION #1724

Question 10826

In the context of governance frameworks, what is the correct distinction between a standard and a guideline?

Standards are discretionary controls used alongside guidelines to support decision-making.
Standards are mandatory controls that give effect to a policy, whereas adherence to guidelines is discretionary.✔️
Guidelines are essential recommended controls supporting standards, both of which are discretionary.
Guidelines serve to designate policy intent, while standards substitute for policy when none exists.

Correct Answer Logic:

A standard establishes a minimum mandatory level of uniform compliance — organisations must meet it. A guideline, by contrast, provides advisory or recommended information to assist in decision-making when no applicable standard exists. Compliance with standards is obligatory; compliance with guidelines is at the discretion of the individual or organisation. The auditor assesses compliance with standards, not guidelines.

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Home Economics QUESTION #6249

Question 10827

Which chemical test is commonly used to identify cotton fiber?

Burn test✔️
Acid test
Solubility test
Microscopic test

Correct Answer Logic:

Cotton burns quickly with an odor of burning paper and leaves a fine gray ash.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3553

Question 10828

'Chalk' is an example of a crude drug from the:

Plant kingdom
Animal kingdom
Mineral kingdom✔️
Synthetic origin

Correct Answer Logic:

Mineral drugs include chalk, kaolin, and bentonite.

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Psychology QUESTION #9760

Question 10829

The theory of cognitive dissonance was proposed by:

Skinner
Bandura
Festinger✔️
None of these

Correct Answer Logic:

Leon Festinger (1957) proposed cognitive dissonance theory — that people experience discomfort when holding contradictory beliefs or when behaviour conflicts with beliefs, motivating them to reduce the inconsistency.

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Chemistry QUESTION #7146

Question 10830

A commercial ion-exchange resin used for water softening has the molecular formula $C_{8}H_{7}SO_{3}Na$ (Molar Mass $= 206$). Determine the maximum uptake of $Ca^{2+}$ ions by this resin in moles per gram of resin.

$\frac{1}{103}$
$\frac{1}{206}$
$\frac{2}{309}$
$\frac{1}{412}$✔️

Correct Answer Logic:

The ion exchange reaction is: $2RNa + Ca^{2+} \rightarrow R_{2}Ca + 2Na^{+}$.

$2$ moles of resin ($2 \times 206\text{ g}$) react with $1$ mole of $Ca^{2+}$.
Total mass of resin = $412\text{ g}$.
Uptake per gram = $\frac{1\text{ mole } Ca^{2+}}{412\text{ g resin}}$.

Thus, the maximum uptake is $\frac{1}{412}\text{ mol/g}$.

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Planning QUESTION #4998

Question 10831

In Multi-Criteria Decision Analysis (MCDA), what is the purpose of weight assignment?

Eliminate irrelevant criteria
Reflect relative importance of criteria✔️
Reduce calculation complexity
Standardize measurement units

Correct Answer Logic:

Weight assignment in MCDA (e.g., Analytical Hierarchy Process) quantifies the relative importance of different criteria in decision-making. Weights (summing to 1.0) ensure more important factors have greater influence on final rankings or selections.

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Biomedical Sciences QUESTION #3798

Question 10832

Which metabolic byproduct accumulating in muscle tissue is primarily responsible for the sensation of muscle fatigue during intense exercise?

Ischaemia due to atherosclerotic plaques
Accumulation of lactic acid✔️
Lack of sufficient ATP molecules
Accumulation of carbon dioxide

Correct Answer Logic:

During intense exercise, anaerobic glycolysis produces lactic acid, which lowers intracellular pH and contributes to muscle fatigue and impaired contractility.

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Accounting & Finance QUESTION #6139

Question 10833

A sales ledger control account included: (1) Contra with purchases ledger: $500 debit; (2) Discount allowed: $600 debit; (3) Irrecoverable debts written off: $1,200 debit. Which entries must be corrected?

1, 2 and 3✔️
1 and 2 only
1 and 3 only
2 and 3 only

Correct Answer Logic:

Option A (all three) is correct.

Contra entry should be a credit (reduces receivables), not debit.
Discount allowed should be a credit (reduces amount owed by customers), not debit.
Irrecoverable debts written off should be a credit (reduces receivable), not debit.

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General Knowledge QUESTION #273

Question 10834

The Boao Forum for Asia was founded in:

2001✔️
2002
2003
None of these

Correct Answer Logic:

It was established in 2001 as a non-profit organization.

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Physics QUESTION #6993

Question 10835

A parallel plate capacitor (area $6\ \text{cm}^2$, separation $3\ \text{mm}$) has its gap filled with three dielectric slabs of equal thickness placed side-by-side (not stacked), with $K_1=10$, $K_2=12$, $K_3=14$. What single dielectric constant $K$ gives the same capacitance when it fully fills the capacitor?

4
14
12✔️
36

Correct Answer Logic:

The three slabs are placed side-by-side (parallel combination), each occupying one-third of the area $A/3$ and the full separation $d$.

Total capacitance:

$C = \frac{\varepsilon_0 (A/3)}{d}(K_1 + K_2 + K_3) = \frac{\varepsilon_0 A}{3d}(10+12+14) = \frac{36\varepsilon_0 A}{3d} = \frac{12\varepsilon_0 A}{d}$

For a single dielectric $K$:

$C = \frac{K\varepsilon_0 A}{d}$

$\Rightarrow K = 12$

The equivalent dielectric constant is simply the arithmetic mean: $(10+12+14)/3 = 12$.

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Maths QUESTION #2857

Question 10836

If $2x + 3y = 16$ and $x = 2$, find $y$.

3
4✔️
5
6

Correct Answer Logic:

Substitute $x = 2$: $2(2) + 3y = 16 \Rightarrow 4 + 3y = 16 \Rightarrow 3y = 12 \Rightarrow y = 4$.

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The Constitution of Pakistan QUESTION #9344

Question 10837

A Bill to amend the Constitution that would alter the limits of a Province requires, in addition to two-thirds majorities in both Houses, what additional step?

Approval by a joint sitting by three-fourths majority
Approval by the Provincial Assembly concerned by not less than two-thirds of its total membership✔️
A referendum in the affected Province
A separate approval by the Senate alone

Correct Answer Logic:

Article 239(4) imposes this additional territorial integrity safeguard: no Bill altering provincial limits can be presented to the President for assent unless the affected Province's Assembly passes it by votes of not less than two-thirds of its total membership.

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FIA Act QUESTION #9960

Question 10838

The Agency consists of the Director General and:

Only Provincial Police officers
Such other officers as the Federal Government appoints✔️
Officers appointed by the Director General alone
Members elected by Parliament

Correct Answer Logic:

The Agency comprises the DG and other officers appointed by the Federal Government from time to time.

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Math Physics Chemistry Biology QUESTION #11340

Question 10839

Which of the following is a type of RNA that carries amino acids to the ribosome during protein synthesis?

mRNA
tRNA✔️
rRNA
snRNA

Correct Answer Logic:

tRNA (transfer RNA) carries amino acids to the ribosome during protein synthesis.

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Boilers Mechanical Engineering QUESTION #2439

Question 10840

The free response of an underdamped system ($\zeta < 1$) is:

$x(t) = e^{-\alpha t}(C_1\sin\omega_d t + C_2\cos\omega_d t)$ where $\alpha=\zeta\omega_n$✔️
$x(t) = A\sin(\omega_n t + \phi)$ (pure harmonic)
$x(t) = C_1 e^{-\lambda_1 t} + C_2 e^{-\lambda_2 t}$
$x(t) = (C_1t + C_2)e^{-\alpha t}$

Correct Answer Logic:

For the underdamped case, the solution is the exponentially decaying sinusoid: $x=e^{-\alpha t}(C_1\sin\omega_d t+C_2\cos\omega_d t)$. Option 3 is for overdamped; option 4 is for critically damped.

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