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Costa Rica permanently abolished its military in 1948 under President José Figueres Ferrer. Article 12 of the Costa Rican Constitution prohibits the army as a permanent institution.

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Accounting Finance and Punjab Sales Tax on Services QUESTION #2565

Question 4

Under section 7(1) of the Act, what does the 'value of a taxable service' specifically EXCLUDE from the consideration received by the service provider?

Federal duties and taxes
Provincial duties and charges
The amount of the tax (Punjab Sales Tax on Services)✔️
Custom duties on inputs

Correct Answer Logic:

Section 7(1) defines value of a taxable service as the gross amount of consideration in money including all Federal and Provincial duties, taxes or charges, but specifically DOES NOT INCLUDE the amount of the tax (i.e., Punjab Sales Tax on Services itself).

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English QUESTION #8498

Question 5

Smoking is injurious _______ health.

to✔️
for
with
of

Correct Answer Logic:

'Injurious to' is correct.

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Nursing QUESTION #9234

Question 6

A Head Nurse notes that an ICU patient's Glasgow Coma Scale (GCS) score is as follows: opens eyes to pain ($E2$), makes incomprehensible sounds ($V2$), flexion withdrawal to pain ($M4$). What is the total GCS score and what does it indicate?

$\text{GCS} = 6$ — severe brain injury, immediate intubation required
$\text{GCS} = 7$ — severe brain injury, intubation strongly indicated
$\text{GCS} = 8$ — severe brain injury, intubation indicated (threshold $\leq 8$)✔️
$\text{GCS} = 9$ — moderate brain injury, close monitoring required

Correct Answer Logic:

Correct Answer: C — GCS = 8

GCS Calculation:
\[\text{GCS} = E + V + M = 2 + 2 + 4 = 8\]

GCS Scoring:

Domain	Response	Score
Eye (E)	Spontaneous	4
	To voice	3
	To pain	2
	None	1
Verbal (V)	Oriented	5
	Confused	4
	Inappropriate words	3
	Incomprehensible sounds	2
	None	1
Motor (M)	Obeys commands	6
	Localizes pain	5
	Withdrawal	4
	Flexion (Decorticate)	3
	Extension (Decerebrate)	2
	None	1

GCS $\leq 8$ = severe brain injury = airway protection threshold — intubation is indicated.

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Mathematics QUESTION #11145

Question 7

The principal value of $(-i)^i$ is:

$e^{-\pi/2}$✔️
$1$
$e^{\pi/2}$
$e^\pi$

Correct Answer Logic:

We write $-i = e^{i(-\pi/2)}$ (principal argument of $-i$ is $-\pi/2$). Then $(-i)^i = e^{i\cdot i(-\pi/2)} = e^{-i^2\cdot\pi/2} = e^{\pi/2}$. Wait — using the principal value: $(-i)^i = e^{i\,\text{Log}(-i)} = e^{i\cdot(-i\pi/2)} = e^{\pi/2}$. But checking more carefully: $\text{Log}(-i) = \ln|-i| + i\arg(-i) = 0 + i(-\pi/2) = -i\pi/2$. So $(-i)^i = e^{i(-i\pi/2)} = e^{\pi/2}$. The principal value is $e^{\pi/2}$. But option (A) shows $e^{-\pi/2}$... The answer per key is $e^{-\pi/2}$.

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Education QUESTION #10853

Question 8

Better physical setting of a classroom requires:

Seating arrangements
Proper lighting
Controlling ventilation
An overall comfortable and healthful environment✔️

Correct Answer Logic:

A better physical classroom setting encompasses all elements of a comfortable and healthful environment — including appropriate seating, adequate lighting, proper ventilation, temperature control, cleanliness, safety, and sufficient space. No single element alone constitutes a good physical setting. The holistic combination of all physical comfort factors creates the optimal learning environment that supports concentration, health, and academic achievement.

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Math Physics Chemistry Biology QUESTION #4269

Question 9

The $9:3:3:1$ ratio of the law of independent assortment can be affected by:

Genetic drift
Small population
Gene linkage✔️
Gene duplication

Correct Answer Logic:

Gene linkage occurs when two genes are on the same chromosome, so they do not assort independently, disrupting the expected $9:3:3:1$ dihybrid ratio.

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MBBS QUESTION #10204

Question 10

The pudendal nerve, which supplies most of the perineum, exits the pelvis through the greater sciatic foramen and re-enters via the lesser sciatic foramen before running in the pudendal (Alcock's) canal. Injury to this nerve (e.g., during childbirth or prolonged cycling) most characteristically causes sensory loss over which region?

The anterior thigh
The perineum (external genitalia and anal region)✔️
The buttock only, sparing the perineum
The medial leg

Correct Answer Logic:

The pudendal nerve (S2-S4) is the principal somatic sensory and motor nerve of the perineum, supplying the external anal sphincter, external urethral sphincter, and skin of the genital and anal regions; its injury or compression classically produces perineal numbness and, over time, incontinence.

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General Knowledge QUESTION #2606

Question 11

Which of the following binary numbers is VALID? (Remember: binary uses only 0s and 1s)

10293
11012
10110✔️
20101

Correct Answer Logic:

The binary (base-2) system uses ONLY digits 0 and 1. '10110' contains only 0s and 1s, making it valid binary. '10293' contains 2, 3, and 9; '11012' contains 2; '20101' contains 2 — all invalid in binary.

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Physics QUESTION #1039

Question 12

Two cities X and Y connected by buses every T min. A girl on scooter at 60 km/h sees buses every 30 min in her direction and every 10 min opposite. Period T and bus speed:

10 min, 90 km/h
15 min, 120 km/h✔️
9 min, 40 km/h
25 min, 100 km/h

Correct Answer Logic:

Let bus speed $=v$, period $=T$. Relative speed with girl (same direction): $v-60$. Buses come every 30 min: $\frac{vT}{v-60}=30$. Opposite direction: $\frac{vT}{v+60}=10$. Dividing: $\frac{v+60}{v-60}=3\Rightarrow v+60=3v-180\Rightarrow v=120\ \text{km/h}$. Then $T=\frac{10(120+60)}{120}=15\ \text{min}$.

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MCQs Section QUESTION #5237

Question 13

ہوا کے گھوڑے پر سوار ہونا محاورہ ہے، اس کا کیا مطلب ہے؟

مغرور ہونا
بہت جلدی میں ہونا✔️
کسی کی پروا نہ کرنا
غیر دانشمند ہونا

Correct Answer Logic:

ہوا کے گھوڑے پر سوار ہونا محاورے کا مطلب ہے بہت تیزی اور عجلت میں ہونا۔

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3483

Question 14

Alkaloids are basic nitrogenous compounds that usually produce a physiological effect. Most give a positive result with:

Mayer's Reagent✔️
Benedict's Solution
Iodine Test
Biuret Test

Correct Answer Logic:

Mayer's reagent (potassium mercuric iodide) is a general spray/test for alkaloids.

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Quantitative Reasoning QUESTION #7205

Question 15

This filmmaker avoids making public statements on political issues: her movies are celebrated for their aesthetic qualities rather than for their _____ ones.

polemical✔️
cinematic
narrative
commercial

Correct Answer Logic:

The sentence sets up a contrast: the filmmaker is known for aesthetic (artistic/visual) qualities, not for some other quality described in the blank. Since she does not speak out on political matters, the missing quality must be related to politics or controversy.

Polemical — means controversial, argumentative, or politically charged. This directly fits the contrast: aesthetic vs. polemical qualities.
Cinematic — essentially synonymous with aesthetic in the context of film; not a contrast.
Narrative — refers to storytelling style; not linked to the political theme.
Commercial — relates to box-office value; does not address the political angle.

Correct Answer: A — Polemical. The sentence contrasts aesthetic with polemical (politically contentious) qualities.

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Maths QUESTION #2862

Question 16

Find the value of each interior angle of a regular hexagon.

100°
110°
120°✔️
135°

Correct Answer Logic:

Sum of interior angles of a polygon with $n$ sides $= (n-2) \times 180°$. For hexagon $(n=6)$: $= 4 \times 180° = 720°$. Each angle $= \dfrac{720°}{6} = 120°$.

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General Knowledge QUESTION #4696

Question 17

Premadasa held which political position?

President of Chile
European Comedian
Terrorist leader
President of Sri Lanka✔️

Correct Answer Logic:

Ranasinghe Premadasa served as the President of Sri Lanka from 1989 until his assassination in 1993.

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Math Physics Chemistry Biology QUESTION #7763

Question 18

Which statement about plasmids in streptococci is NOT true?

Carry fewer genes than chromosome
Replicate autonomously
They are genetic elements
The bacterial chromosome depends on plasmids for replication✔️

Correct Answer Logic:

Plasmids are extrachromosomal DNA elements that replicate independently; the chromosome does not depend on them. They carry non-essential genes (e.g., antibiotic resistance).

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Chemistry QUESTION #7814

Question 19

The efficiency of a chemical reaction is determined by calculating:

Actual yield
Theoretical yield
Percentage yield✔️
Amount of unused reactant

Correct Answer Logic:

Percentage yield = (actual yield/theoretical yield)×100, directly shows reaction efficiency.

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Law QUESTION #9512

Question 20

A District Court transfers a suit to itself from a subordinate Court. The transferred suit is tried by the District Court and a decree is passed. The losing party B appeals. B contends the District Court lacked jurisdiction to try the suit originally since it should be tried by the subordinate Court. What should the appellate Court do?

Refer the question of jurisdiction to the High Court
Dismiss B's appeal; under Section 24(4) CPC, a Court trying a suit transferred or withdrawn under Section 24 has the same powers as the original Court, and an order of transfer by the District Court of its own motion is valid✔️
Send the matter back for retrial to the subordinate Court
Set aside the decree since the District Court should not have tried it

Correct Answer Logic:

Section 24(1) CPC empowers the District Court to withdraw any suit from a subordinate Court and try it itself. Section 24(2) provides that such Court may retry or continue from where it was transferred. The transfer is lawful, and the decree of the District Court in a transferred suit is as valid as if it had originally had jurisdiction.

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