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General Abilities QUESTION #4557

Question 1821

If $40\%$ of a number is $20$, what is the number?

$8$
$50$✔️
$60$
$80$

Correct Answer Logic:

Let number = $x$. Then $0.4x = 20$, so $x = \frac{20}{0.4} = 50$

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General Knowledge QUESTION #4795

Question 1822

Locations that experience equal intensity of earthquake impact are connected by which lines?

Snowlines
Seismic belts
Isoseismal lines✔️
Epicentral lines

Correct Answer Logic:

Isoseismal lines (or seismic lines) connect points on a map that experienced equal intensity of shaking during an earthquake, helping scientists map the impact pattern.

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Administration QUESTION #2945

Question 1823

What does "Capital Budgeting" in financial management refer to?

Managing the daily petty cash fund of an office
The process of evaluating and selecting long-term investment projects✔️
Calculating the monthly payroll for all employees
None of these

Correct Answer Logic:

Capital budgeting is used to decide whether long-term assets, like new machinery or buildings, are worth the investment.

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General Abilities QUESTION #7947

Question 1824

If $4^a = 8^b$, what is the ratio of $a$ to $b$?

$\dfrac{1}{2}$
$\dfrac{2}{3}$
$\dfrac{3}{2}$✔️
$\dfrac{2}{4}$

Correct Answer Logic:

$4^a = 8^b \Rightarrow 2^{2a} = 2^{3b} \Rightarrow 2a = 3b \Rightarrow \dfrac{a}{b} = \dfrac{3}{2}$

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Agronomy QUESTION #2017

Question 1825

Primary tillage differs from secondary tillage in that primary tillage:

Is performed closer to sowing time with lighter implements
Breaks the soil to greater depths and is performed soon after harvest of the previous crop✔️
Is exclusively used for inter-row cultivation during crop growth
Involves only the surface 2–3 cm of soil

Correct Answer Logic:

Primary tillage refers to deep initial tillage (e.g., moldboard or disc plowing) performed after harvest to break up compacted soil. Secondary tillage involves shallower, finer operations (harrowing, leveling) performed closer to sowing to refine the seedbed.

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Education QUESTION #1489

Question 1826

According to Piaget, a child in the Concrete Operational stage (ages 7–11) gains the concept of conservation. What does conservation mean?

Objects disappear when out of sight
The amount of matter stays the same even when its appearance changes✔️
Children can think abstractly
Children become highly egocentric

Correct Answer Logic:

Conservation means that the amount, weight, volume, and number of things stay the same even when the outward appearance of objects or groups is changed — for example, a short wide glass holds the same water as a tall narrow glass.

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Chemistry QUESTION #7389

Question 1827

Lanthanoids are best described as:

14 elements in the seventh period (Z = 58 to 71) filling the 4f sub-level
14 elements in the sixth period (Z = 90 to 103) filling the 4f sub-level
14 elements in the seventh period (Z = 90 to 103) filling the 5f sub-level
14 elements in the sixth period (Z = 58 to 71) filling the 4f sub-level✔️

Correct Answer Logic:

Lanthanoids:

Atomic numbers: 58 to 71 (Ce to Lu)
Period: Sixth (belong to period 6)
Sub-level being filled: 4f
Total: 14 elements

They are placed in the f-block of the periodic table. Note: Actinoids (Z = 90 to 103) are in the 7th period and fill the 5f sublevel — a common source of confusion.

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Physics QUESTION #7229

Question 1828

The dimensional formula of angular momentum is:

$ML^2T^{-1}$✔️
$M^2L^2T^{-2}$
$M^1L^2T^{-3}$
$M^1L^3T^{-1}$

Correct Answer Logic:

Angular momentum $L = I\omega = mvr$ (for a particle)

$[L] = [m][v][r] = M \cdot LT^{-1} \cdot L = ML^2T^{-1}$

This is the same as the dimension of Planck's constant $h$, which makes sense since $E = h\nu$ and angular momentum appears in quantum mechanics through $\hbar = h/2\pi$.

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English QUESTION #507

Question 1829

ASTOUNDED

Shocked✔️
Discarded
Assured
Attracted

Correct Answer Logic:

Astounded means greatly surprised or amazed

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Physics QUESTION #7300

Question 1830

A body starts from rest and moves under constant acceleration for 20 s. It covers distance $S_1$ in the first 10 s and $S_2$ in the next 10 s. Then $S_2$ equals:

$S_1$
$2S_1$
$3S_1$✔️
$4S_1$

Correct Answer Logic:

Using $s = \dfrac{1}{2}at^2$ (from rest):

$S_1 = \dfrac{1}{2}a(10)^2 = 50a$

Total in 20 s: $S_{\text{total}} = \dfrac{1}{2}a(20)^2 = 200a$

$S_2 = 200a - 50a = 150a = 3 \times 50a = \mathbf{3S_1}$

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Physics and Math QUESTION #784

Question 1831

The distance of a point $(10, -10)$ from origin is:

$10\sqrt{2}$✔️
10
15
None

Correct Answer Logic:

Distance $= \sqrt{10^2 + (-10)^2} = \sqrt{100 + 100} = \sqrt{200} = 10\sqrt{2}$.

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Biology QUESTION #4323

Question 1832

Which of the following cells possess Nissl's granules?

Nerve cells✔️
WBC
RBC
Platelets

Correct Answer Logic:

Nissl granules (Nissl bodies) are characteristic structures found in the cytoplasm of neurons. They are composed of rough ER and ribosomes and are involved in protein synthesis.

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Civil Engineering QUESTION #2115

Question 1833

A simply supported beam of span $L$ carries a uniformly distributed load $w$ per unit length. The ratio of maximum bending moment to maximum shear force is:

wL/4
L/2✔️
L/4
wL/8

Correct Answer Logic:

Maximum BM for UDL on simply supported beam $= \dfrac{wL^2}{8}$ at midspan. Maximum SF $= \dfrac{wL}{2}$ at supports. Ratio $= \dfrac{wL^2/8}{wL/2} = \dfrac{L}{4}$. Wait — ratio $= \dfrac{wL^2/8}{wL/2} = \dfrac{L}{4}$. Hence answer is $L/4$ (option 3, index 2). Correction: index is 2.

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Education QUESTION #6892

Question 1834

A teacher instructs students that when they finish work early, they should refer to a classroom chart of extension activities. According to classroom management principles, what specific management problem does this strategy MOST directly prevent?

Students finishing early from copying peers' work
Unstructured 'free time' that creates behavioral disruption during natural lesson gaps✔️
Students becoming overloaded with work beyond their cognitive level
Inequity in the distribution of academic tasks across ability levels

Correct Answer Logic:

When students finish early and have nothing structured to do, they fill that 'free time' with self-chosen — often disruptive — behavior. Providing extension activity charts ensures that every student has a purposeful, curriculum-connected task at all times, preventing the behavioral vacuum that unstructured time creates.

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Accounting & Finance QUESTION #6180

Question 1835

Which component of the interest rate compensates for the risk that a company might go bankrupt?

Maturity Risk Premium (MR)
Liquidity Preference (LP)
Default Risk Premium (DR)✔️
Inflation (g)

Correct Answer Logic:

Lesson 04 defines DR as the premium charged against the risk that a company might collapse or default on payments.

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English QUESTION #2756

Question 1836

Choose the correct form: 'If she had left earlier

she ___ the train.'✔️
would catch
will catch
would have caught

Correct Answer Logic:

2

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English QUESTION #2766

Question 1837

Find the word SIMILAR IN MEANING to 'Melancholy'.

Joyful
Cheerful
Sorrowful✔️
Excited

Correct Answer Logic:

'Melancholy' means a feeling of pensive sadness. 'Sorrowful' means feeling or showing grief and sadness — the closest synonym. The other options (Joyful, Cheerful, Excited) are antonyms.

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English QUESTION #2730

Question 1838

Which sentence is in the FUTURE SIMPLE TENSE?

She has gone to school.
He was writing a letter.
They will attend the meeting.✔️
I am going to the market.

Correct Answer Logic:

The future simple tense uses 'will + base verb' to express a decision or prediction. 'They will attend the meeting' is the correct future simple form.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3206

Question 1839

The stomach secretes 'Intrinsic Factor', which is essential for the absorption of:

Vitamin C
Vitamin $B_{12}$✔️
Iron
Calcium

Correct Answer Logic:

Vitamin $B_{12}$ absorption occurs in the ileum only after binding to intrinsic factor.

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English QUESTION #2735

Question 1840

Which sentence correctly converts 'They completed the project' to PASSIVE VOICE?

The project is completed by them.
The project completed by them.
The project was completed by them.✔️
The project has been completed by them.

Correct Answer Logic:

Simple past active voice converts to simple past passive using was/were + past participle. 'The project was completed by them' is the correct conversion.

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