Reading Mode - Questions

Mathematics QUESTION #7444

The mean of the data set comprising of 16 observations is 16. If one of the observations valued 16 is deleted and three new observations valued 3, 4 and 5 are added to the data, then the mean of the resultant data is:

16.8
16
15.8
14✔️

Correct Answer Logic:

Original sum = $16 \times 16 = 256$. After deleting 16: new sum = $256 - 16 = 240$. After adding 3, 4, 5: new sum = $240 + 3 + 4 + 5 = 252$. Number of observations = $16 - 1 + 3 = 18$. New mean = $\frac{252}{18} = 14$.

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General Knowledge QUESTION #8802

Question 7062

Which is the world's biggest seaport by cargo volume?

Rotterdam (Netherlands)
Shanghai (China)✔️
Naples (Italy)
Seattle (USA)

Correct Answer Logic:

Shanghai is the world's busiest container port.

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Accounting & Finance QUESTION #6200

Question 7063

Which of these is a typical 'Non-Cash Item' on an Income Statement?

Wages and Salaries
Interest Paid
Depreciation✔️
Utilities Expense

Correct Answer Logic:

Depreciation is an accounting allocation, not an actual cash outflow [cite: 19].

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Agronomy QUESTION #2106

Question 7064

Climate-smart agriculture (CSA) is defined by FAO as an integrated approach that simultaneously addresses three objectives. Which correctly identifies all three pillars?

Maximizing synthetic input use, eliminating smallholder farming, and industrializing food systems
Sustainably increasing agricultural productivity and incomes (food security), adapting and building resilience to climate change (adaptation), and reducing greenhouse gas emissions where possible (mitigation) — with food security as the primary priority✔️
Exclusively reducing agricultural GHG emissions regardless of impact on food security
Promoting organic farming, eliminating livestock, and rewilding agricultural land

Correct Answer Logic:

FAO's CSA framework has three pillars: (1) Productivity — sustainably increasing agricultural output and farmer incomes to achieve food security; (2) Adaptation — reducing vulnerability and building resilience to climate shocks; (3) Mitigation — reducing GHG emissions per unit food produced and sequestering carbon in soils/biomass. The three objectives must be pursued together, with explicit recognition of trade-offs, particularly between mitigation and food security for vulnerable smallholders.

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Physics QUESTION #421

Question 7065

A yellow light of wavelength 500 mm emitted by a single source passes through two narrow slits 1 mm apart. How far apart are two adjacent bright fringes when interference is observed on a screen 10 m away?

5 mm✔️
1.33 mm
0.5 mm
50 mm

Correct Answer Logic:

Fringe width = ?D/d = (500?10???10)/(1?10??) = 5?10?? m = 5 mm

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General Knowledge QUESTION #2623

Question 7066

What is the function of a HEATSINK in a computer?

To store temporary data for quick access by the CPU
To connect the CPU to the RAM through a dedicated data channel
To dissipate (remove) heat from the CPU to prevent it from overheating✔️
To manage the flow of electrical power from the power supply to all components

Correct Answer Logic:

A heatsink is used to dissipate heat from our CPU. The CPU generates significant heat during operation. The heatsink draws this heat away from the CPU and disperses it into the surrounding air, often aided by a cooling fan, to prevent damage from overheating.

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Accounting & Finance QUESTION #6086

Question 7067

L and M are partners sharing profits 3:2. Data at year-end:

Item	L ($)	M ($)
Capital	200,000	150,000
Interest on Capital (8%)	-	-
Drawings	30,000	20,000
Interest on Drawings (5%)	-	-
Salaries	22,000	17,000

If L's share of residual profit was $24,000, what was the total profit for the year before appropriation?

$48,500
$88,500
$104,500✔️
$109,500

Correct Answer Logic:

1. Total Residual Profit = $24,000 / 0.6 = $40,000.
2. Total Interest on Capital = ($200k + $150k) $\times$ 8% = $28,000.
3. Total Salaries = $22k + $17k = $39,000.
4. Total Interest on Drawings = ($30k + $20k) $\times$ 5% = $2,500.
Profit = Residual ($40,000) + Interest on Cap ($28,000) + Salaries ($39,000) - Interest on Drawings ($2,500) = $104,500.

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Administration QUESTION #9576

Question 7068

A telecom company reduces its workforce by 30% following privatization, but customer complaints increase by 45% within 18 months. Which organizational behaviour concept best explains this outcome?

Survivor syndrome — remaining employees experience guilt, anxiety and reduced productivity after witnessing colleague layoffs✔️
Span of control violation — too few managers are now supervising too many technical roles
Theory X activation — downsizing signals distrust which converts motivated employees into passive workers
Reinforcement withdrawal — removal of colleagues eliminates the social reinforcement that sustained performance norms

Correct Answer Logic:

Survivor syndrome describes the psychological toll on employees who remain after mass layoffs — they experience guilt, fear of further cuts, reduced morale and productivity loss. This explains why the company's service quality deteriorated despite retaining its workforce, a well-documented post-downsizing organizational failure.

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Academic/Professional (Social Sciences) QUESTION #6507

Question 7069

Which perspective focuses on how individuals use symbols and face-to-face interactions to create social reality?

Functionalism
Conflict Theory
Symbolic Interactionism✔️
Feminism

Correct Answer Logic:

This micro-level theory focuses on the meanings people attach to their interactions.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3101

Question 7070

In an ECG (Electrocardiogram), the 'P-wave' represents:

Ventricular contraction
Atrial depolarization✔️
Ventricular repolarization
Heart rest

Correct Answer Logic:

The P-wave indicates the electrical activity as the atria contract.

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Administration QUESTION #9604

Question 7071

During the business cycle, a company that manufactures luxury goods experiences a 40% revenue drop while a company selling basic food staples sees only a 3% decline. Which economic concept explains this difference, and what strategic implication does it carry for portfolio diversification?

Comparative advantage — luxury goods are more internationally traded and therefore more exposed to exchange rate fluctuations than food staples
Income elasticity of demand — luxury goods have high positive income elasticity (demand falls sharply when income falls) while necessities have low income elasticity (demand is relatively stable across income changes); a diversified firm should hold both cyclical and defensive businesses to smooth earnings through economic cycles✔️
Price elasticity of demand — luxury goods have more elastic demand because consumers can substitute them; food staples are inelastic because they have no substitutes
The Giffen goods paradox — as income falls, consumers paradoxically increase spending on inferior staples and reduce luxury consumption

Correct Answer Logic:

Income elasticity of demand (YED) measures how demand responds to income changes. Luxury goods have YED > 1 (income elastic — demand drops disproportionately in downturns); necessities have YED between 0 and 1 (income inelastic — demand is resilient). The strategic implication is portfolio theory applied to business units: combining cyclical (luxury) and defensive (staples) businesses reduces earnings volatility — the same logic institutional investors apply to equity portfolios.

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English QUESTION #4419

Question 7072

Identify the sentence with no spelling error:

Imtiaz Invited me on a diner party at restaurant.
Imtiaz Invited me on a dinner party at restaurant.✔️
Imtiaz Invited me on a dinner party at resturant.
Imtiaz Invited me on a dinnar party at restaurent.

Correct Answer Logic:

The correct spellings are 'dinner' (an evening meal) and 'restaurant' (a place to eat). Option A has 'diner' (a small restaurant or person eating), Option C has 'resturant', and Option D has both 'dinnar' and 'restaurent' — all misspelled.

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Islamic Studies QUESTION #215

Question 7073

Which companion is known for his role in collecting the Qur'an?

Umar ibn al-Khattab
Zayd ibn Thabit✔️
Abu Hurairah
Ali ibn Abi Talib

Correct Answer Logic:

Zayd ibn Thabit (رضي الله عنه) headed the committee to compile the Qur'anic text.

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Islamic Studies QUESTION #359

Question 7074

The first Caliph of the Abbasid Caliphate was:

Saffah✔️
Haroon UR Rasheed
Mansoor
Mamoon

Correct Answer Logic:

Abu al-Abbas al-Saffah was the founder and first caliph of the Abbasid dynasty.

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English QUESTION #8321

Question 7075

There was so much smoke in the room that I could hardly _______.

Breath
Breathe✔️
Breathing
Breathless

Correct Answer Logic:

'Breathe' is the verb meaning to inhale and exhale.

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Chemistry QUESTION #4345

Question 7076

Carboxylic acid reacts with ammonia to form ammonium salts which on heating produces:

Carbonates
Alkane
Ester
Amide✔️

Correct Answer Logic:

When a carboxylic acid reacts with $NH_3$, an ammonium salt forms: $RCOOH + NH_3 \rightarrow RCOONH_4$. On heating, water is eliminated and an amide is produced: $RCOONH_4 \xrightarrow{\Delta} RCONH_2 + H_2O$.

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General Abilities QUESTION #7991

Question 7077

Five years ago, the average age of P and Q was 15 years. The average age of P, Q and R today is 20 years. How old will R be after 10 years?

35 years
40 years
30 years✔️
50 years

Correct Answer Logic:

Five years ago: P + Q = 30, so today P + Q = 40.
Today: P + Q + R = 60 (since average = 20).
Therefore R = 60 − 40 = 20 years today.
After 10 years: R = 20 + 10 = 30 years.

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General Knowledge QUESTION #2601

Question 7078

The RGB model is used in computing to:

Define the speed of data processing in a computer
Represent colors on digital displays using combinations of red, green, and blue✔️
Encode text characters into binary values
Measure the storage capacity of a hard drive

Correct Answer Logic:

RGB (Red, Green, Blue) is the basic model of representing colors on digital displays. By combining different intensities of these three primary light colors (each from 0–255), virtually any color visible to the human eye can be produced on screen.

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