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General Knowledge QUESTION #283

Question 2621

___________ is the current Chancellor of Germany.

Angela Merkel
Olaf Scholz✔️
Robert Habeck
None of these

Correct Answer Logic:

Olaf Scholz assumed office as Chancellor in December 2021.+1

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Islamic Studies QUESTION #7928

Question 2622

The incident of Karbala took place in:

70 AH
61 AH✔️
58 AH
65 AH

Correct Answer Logic:

The tragedy of Karbala occurred on 10th Muharram 61 AH (October 10, 680 CE). Hazrat Imam Hussain (RA), the grandson of Prophet Muhammad (PBUH), along with 72 companions, was martyred by the forces of Yazid. This event holds immense significance in Islamic history, especially for Shia Muslims, and is commemorated during Muharram.

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English QUESTION #7642

Question 2623

She likes hiking, swimming, and to ride a bike.

She likes hiking swimming and to ride a bike.
She likes hiking swimming and biking
She likes hiking, swimming, and biking.
None of these✔️

Correct Answer Logic:

This question tests parallel structure. When listing activities, all items should have the same grammatical form. Options should be: hiking (gerund), swimming (gerund), and biking (gerund) - all in the same form for parallelism.

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Ability / HR / Governance / Special Education QUESTION #1885

Question 2624

Under Rule 6(2) what is the minimum and maximum time given to an accused to submit a written defence after the charge is communicated?

Minimum 3 days maximum 7 days
Minimum 7 days maximum 14 days✔️
Minimum 14 days maximum 21 days
Minimum 10 days maximum 20 days

Correct Answer Logic:

Rule 6(2) specifically prescribes not less than seven days and not more than fourteen days for submitting a written defence.

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Agriculture Economics QUESTION #11857

Question 2625

An 'absolute price' differs from a 'relative price' in that a relative price is expressed as:

A price in a foreign currency
The ratio of one good's price to another good's price✔️
The price adjusted for inflation only
The government-set minimum price

Correct Answer Logic:

Relative price expresses one good's price in terms of another good, i.e., a price ratio.

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Physics QUESTION #1181

Question 2626

The cyclotron is a device which is primarily used to:

Accelerate subatomic particles✔️
Generate electrons
Generate neutrons
Generate protons

Correct Answer Logic:

A cyclotron is a type of particle accelerator that uses a combination of a static magnetic field and an oscillating electric field (alternating voltage between Dees) to accelerate charged subatomic particles (protons, alpha particles, etc.) to high energies in a spiral path. Its primary purpose is particle acceleration, not generation.

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Reading and Writing (Module-1) QUESTION #5451

Question 2627

Notes: Gregorian calendar (365 days) causes dates to fall on different weekdays each year. Hanke-Henry calendar (364 days) has dates on same weekday each year, supporting predictable scheduling. Which choice explains an advantage of Hanke-Henry?

Gregorian has 365 days, one day longer than Hanke-Henry.
Adopting Hanke-Henry would help solve a problem with Gregorian.
Designed so dates occur on same weekday each year, Hanke-Henry supports more predictable scheduling than Gregorian.✔️
Hanke-Henry was developed as an alternative to Gregorian, which is most-used.

Correct Answer Logic:

Option C directly states the advantage (same weekday ? predictable scheduling) and compares to Gregorian.

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Physics QUESTION #4391

Question 2628

If $P$ is the momentum of an object and $m$ is its mass, then its kinetic energy is:

$\dfrac{P}{2m}$
$\dfrac{P^2}{2m}$✔️
$\dfrac{1}{2}Pm^2$
$\dfrac{1}{2}P^2m$

Correct Answer Logic:

$KE = \dfrac{1}{2}mv^2$. Since $P = mv$, we have $v = \dfrac{P}{m}$. Substituting: $KE = \dfrac{1}{2}m\left(\dfrac{P}{m}\right)^2 = \dfrac{1}{2}m \cdot \dfrac{P^2}{m^2} = \dfrac{P^2}{2m}$.

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Math Physics Chemistry Biology QUESTION #807

Question 2629

The pH of $10^{-3}$ moles of $\text{HNO}_3$ is?

2.7
2.0
3✔️
1.5

Correct Answer Logic:

$\text{HNO}_3$ is a strong acid that fully dissociates. $[\text{H}^+] = 10^{-3}\ \text{mol dm}^{-3}$. $\text{pH} = -\log(10^{-3}) = 3$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3564

Question 2630

The 'Umbel' inflorescence is characteristic of which family?

Solanaceae
Umbelliferae✔️
Lamiaceae
Rosaceae

Correct Answer Logic:

Fennel and Coriander have umbel-shaped flowers.

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Chemistry QUESTION #7528

Question 2631

Two liquids A and B form an ideal solution. At 350 K, the vapour pressures of pure A and pure B are $7\times10^3$ Pa and $12\times10^3$ Pa respectively. For a solution with 40 mol% A, what is the composition of the vapour in equilibrium?

$x_A=0.37;\ x_B=0.63$
$x_A=0.28;\ x_B=0.72$✔️
$x_A=0.4;\ x_B=0.6$
$x_A=0.76;\ x_B=0.24$

Correct Answer Logic:

Mole fraction in liquid: $x_A = 0.40,\ x_B = 0.60$

By Raoult's Law:

$P_A = x_A \cdot P_A^0 = 0.40 \times 7000 = 2800\ \text{Pa}$

$P_B = x_B \cdot P_B^0 = 0.60 \times 12000 = 7200\ \text{Pa}$

$P_{\text{total}} = 2800 + 7200 = 10000\ \text{Pa}$

In vapour phase: $y_A = \dfrac{P_A}{P_{\text{total}}} = \dfrac{2800}{10000} = \mathbf{0.28}$

$y_B = 1 - 0.28 = \mathbf{0.72}$

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English QUESTION #8289

Question 2632

Select the correct idiom meaning 'to survive or maintain oneself':

Keep body and character together
Keep body and mind together
Keep body and soul together✔️
Keep body and spirit together

Correct Answer Logic:

The idiom is 'keep body and soul together'.

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Security Measures to Maintain Law and Order QUESTION #934

Question 2633

How should an AD ASF manage a large, angry crowd during a flight cancellation?

Use physical force immediately
Provide clear information and maintain a presence✔️
Lock all the terminal doors
Leave the area to avoid conflict

Correct Answer Logic:

Clear communication and visible presence are key to preventing a frustrated crowd from turning into a security riot.

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Chemistry QUESTION #7401

Question 2634

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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Geology QUESTION #10667

Question 2635

Seismic S-waves (secondary/shear waves) are completely absorbed and cannot propagate through:

The crust–mantle (Mohorovičić) boundary
The lithosphere–asthenosphere boundary
The mantle–core (Gutenberg) boundary✔️
The inner core–outer core boundary

Correct Answer Logic:

S-waves (shear waves) require a solid medium to propagate and cannot travel through liquids. They are completely absorbed at the core–mantle boundary (Gutenberg discontinuity) at ~2,900 km depth, because the outer core is liquid (molten iron-nickel alloy). This creates a seismic 'shadow zone' for S-waves on the far side of the Earth from an earthquake epicentre. This observation provided the first evidence that Earth's outer core is molten.

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Political Science QUESTION #6695

Question 2636

The 'Filibuster' is a procedural tactic used in the:

UK House of Commons
US Senate✔️
French National Assembly
None of these

Correct Answer Logic:

A filibuster is a tactic used in the US Senate to delay or block a vote on a piece of legislation.

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Accounting & Finance QUESTION #6089

Question 2637

Information for a period:

Sales: $1,500,000
Purchases: $1,000,000
Closing Inventory: $50,000

Inventory turnover was 12 times and the gross profit margin was 40%. There were also returns and carriage inwards. Calculate opening inventory.

$100,000✔️
$116,667
$128,572
$200,000

Correct Answer Logic:

1. Gross Profit = $1,500,000 $\times$ 40% = $600,000.
2. Cost of Sales (COS) = $1,500,000 - $600,000 = $900,000.
3. Average Inventory = COS / Turnover = $900,000 / 12 = $75,000.
4. Average Inv = (Opening + Closing) / 2 $\Rightarrow$ $75,000 = (Opening + $50,000) / 2.
5. Opening Inventory = $150,000 - $50,000 = $100,000.

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Maths QUESTION #7954

Question 2638

The diameter of a round table is 7 metres. How far will a person walk when going once around it?

10 metres
15 metres
18 metres
22 metres✔️

Correct Answer Logic:

Circumference $= \pi d = \dfrac{22}{7} \times 7 = 22$ metres.

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Chemistry QUESTION #7387

Question 2639

Among the isoelectronic species $\text{O}^{2-}$, $\text{F}^-$, $\text{Na}^+$, $\text{Mg}^{2+}$ and $\text{Al}^{3+}$, their ionic radii show which trend?

An increase from $\text{O}^{2-}$ to $\text{F}^-$ then decrease from $\text{Na}^+$ to $\text{Al}^{3+}$
A decrease from $\text{O}^{2-}$ to $\text{F}^-$ then increase from $\text{Na}^+$ to $\text{Al}^{3+}$
A significant overall increase from $\text{O}^{2-}$ to $\text{Al}^{3+}$
A significant overall decrease from $\text{O}^{2-}$ to $\text{Al}^{3+}$✔️

Correct Answer Logic:

Isoelectronic species all have 10 electrons. Their size depends on nuclear charge:

$\text{O}^{2-}(Z=8) > \text{F}^-(Z=9) > \text{Na}^+(Z=11) > \text{Mg}^{2+}(Z=12) > \text{Al}^{3+}(Z=13)$

More protons = stronger pull on same electron cloud = smaller radius. There is a steady significant decrease across the series. No increase occurs — all species have the same number of electrons but increasing nuclear charge.

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English QUESTION #8498

Question 2640

Smoking is injurious _______ health.

to✔️
for
with
of

Correct Answer Logic:

'Injurious to' is correct.

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