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Rule 60(b)(3) allows a court to relieve a party from a final judgment, order, or proceeding for fraud (whether previously called intrinsic or extrinsic), misrepresentation, or misconduct by an opposing party.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3202

Question 5

Which hormone acts on the collecting ducts to increase water reabsorption (concentrating the urine)?

Insulin
Aldosterone
Anti-Diuretic Hormone (ADH)✔️
Thyroxine

Correct Answer Logic:

ADH (Vasopressin) inserts aquaporins into the duct walls to save water.

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Aptitude QUESTION #10990

Question 6

A regular tetrahedron has edge length $a$. A plane cuts through the midpoints of three edges that meet at a common vertex. What is the ratio of the area of this triangular cross-section to the total surface area of the tetrahedron?

$\frac{1}{8}$
$\frac{1}{12}$
$\frac{1}{16}$✔️
$\frac{1}{24}$

Correct Answer Logic:

The cross-section is an equilateral triangle with side $\frac{a}{2}$. Its area is $\frac{\sqrt{3}}{4}(\frac{a}{2})^2 = \frac{\sqrt{3}a^2}{16}$. Total surface area of tetrahedron: $4 \times \frac{\sqrt{3}a^2}{4} = \sqrt{3}a^2$. Ratio: $\frac{\sqrt{3}a^2/16}{\sqrt{3}a^2} = \frac{1}{16}$.

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Nursing QUESTION #9133

Question 7

A nurse is calculating the expected date of delivery (EDD) using Naegele's rule. The patient's LMP was 10th September. What is the EDD?

17th June✔️
17th July
10th June
3rd July

Correct Answer Logic:

Naegele's Rule formula:

\[\text{EDD} = \text{LMP} - 3\,\text{months} + 7\,\text{days} + 1\,\text{year}\]

Or equivalently: Add 9 months and 7 days to LMP

Calculation:

LMP: 10th September
Subtract 3 months: 10th June
Add 7 days: 17th June
Add 1 year (next year)

Therefore, EDD = 17th June (next year)

Normal pregnancy duration: $280\,\text{days}$ or $40\,\text{weeks}$ from LMP $= 266\,\text{days}$ from conception.

Important caveat: Naegele's rule assumes a regular 28-day cycle with ovulation on Day 14. Adjust for irregular cycles accordingly. Ultrasound (especially first trimester CRL) is more accurate for dating.

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English QUESTION #8325

Question 8

Tick the word SIMILAR in meaning to: Audacity

courage✔️
timidity
politeness
misfortune

Correct Answer Logic:

Audacity means bold courage or nerve.

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Electronics Engineering QUESTION #11694

Question 9

An IGBT gate-emitter is tested with a DMM diode check: forward voltage reads 0.4 V and reverse reads OL. Then collector-emitter (with gate floating) reads a low resistance. This means the IGBT is:

Functioning normally — the body diode is present
Shorted between collector and emitter — device is failed✔️
Operating in avalanche breakdown mode
A depletion-mode device and this is expected

Correct Answer Logic:

A healthy IGBT should show OL (open) between collector and emitter with the gate floating, because it is a voltage-controlled device that only conducts when gate voltage exceeds the threshold. A low resistance C-E reading with floating gate means the IGBT is permanently latched or shorted — the device is failed and must be replaced.

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Chemistry QUESTION #4380

Question 10

If $\%$ yield is $80\%$ and actual yield is $20\ g$, what will be the theoretical yield?

20 g
25 g✔️
30 g
40 g

Correct Answer Logic:

$\% yield = \dfrac{actual\ yield}{theoretical\ yield} \times 100$. Rearranging: $theoretical\ yield = \dfrac{actual\ yield}{\% yield} \times 100 = \dfrac{20}{80} \times 100 = 25\ g$.

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Boilers Mechanical Engineering QUESTION #2546

Question 11

The product of inertia $I_{xy}=\int xy\,dA$ is ZERO when:

The area has no curved boundaries
The area is symmetric about EITHER the x- OR y-axis✔️
The second moments $I_x$ and $I_y$ are equal
The area is a polygon

Correct Answer Logic:

The product of inertia is zero whenever the area has an axis of symmetry that coincides with either the x- or y-axis. The symmetric pairs of elemental areas contribute equal and opposite $xy\,dA$ terms that cancel.

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Math Physics Chemistry Biology QUESTION #11260

Question 12

A person with blood group AB$^+$ can safely receive blood from:

Only AB$^+$ donors
AB$^+$ and O$^-$ donors
Any blood group (universal recipient)✔️
Only A$^+$ and B$^+$ donors

Correct Answer Logic:

AB$^+$ is the universal recipient for red blood cell transfusions because it has both A and B antigens on RBCs and the Rh factor, so it does not produce antibodies against A, B, or Rh antigens. However, for plasma transfusions, AB is the universal donor.

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Aptitude QUESTION #10962

Question 13

A person looks in a mirror and sees that the clock behind them shows 5:25. What is the actual time?

6:35✔️
7:35
6:25
5:35

Correct Answer Logic:

To find actual time from mirror image of a clock:

Method: Subtract the mirror-image time from 11:60 (or 12:00).

Mirror shows: 5:25

Actual time = 11:60 − 5:25 = 6:35

Wait — let's verify: If actual time is 6:35, hour hand is between 6 and 7 (near 6), minute hand at 7 (35 min). In mirror: hour hand appears near 6 from right (appears at ~5 on left side), minute hand at 5 from left... Correct method: 12:00 − 6:35 = 5:25. So if actual is 6:35, mirror shows 5:25. ✓ Answer = 6:35 (option A, index 0).

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Geology QUESTION #10640

Question 14

During daylight hours, the sea breeze direction is:

From land toward the sea
From sea toward the land✔️
From sea toward the land at night only
From land toward the sea at night only

Correct Answer Logic:

During the day, land heats up faster than the sea (lower heat capacity), causing air above the land to warm, rise, and create a low-pressure zone. Cooler, denser air from the sea flows in to replace it — producing a sea breeze blowing from sea to land. At night, the process reverses: land cools faster, the sea is relatively warmer, and a land breeze blows from land to sea.

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General Knowledge QUESTION #4651

Question 15

Child dentist visits increased from once a year (1970) to three times a year (Today). Which explains this trend EXCEPT:

Better home care has reduced cavities✔️
Dentist fees have declined
Parents are more aware of dental care
Dental care has become less painful

Correct Answer Logic:

2

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Physics QUESTION #4409

Question 16

The protons in the nucleus of an atom DO NOT exit due to:

Electromagnetic force
Gravitational Force
Weak Nuclear Force
Strong Nuclear Force✔️

Correct Answer Logic:

Although protons repel each other due to electromagnetic force, they are held together in the nucleus by the strong nuclear force, which is the strongest of the four fundamental forces and acts at very short ranges ($\approx 10^{-15}\ m$).

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Maths QUESTION #2860

Question 17

The angles of a triangle are in ratio $2:3:4$. Find the largest angle.

60°
70°
80°✔️
90°

Correct Answer Logic:

Sum of angles in triangle $= 180°$. Parts $= 2+3+4 = 9$. Largest angle $= \dfrac{4}{9} \times 180° = 80°$.

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MBBS QUESTION #10192

Question 18

After birth, functional and later anatomical closure of the fetal ductus arteriosus results in formation of the:

Ligamentum teres
Ligamentum arteriosum✔️
Fossa ovalis
Median umbilical ligament

Correct Answer Logic:

The ligamentum arteriosum is the fibrous remnant of the ductus arteriosus, which in fetal life shunted blood from the pulmonary trunk to the aorta, bypassing the non-aerated lungs; its persistence beyond infancy (patent ductus arteriosus) is an important congenital cardiac anomaly.

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English Literature QUESTION #722

Question 19

In Wordsworth's "Tintern Abbey," the "still sad music of humanity" refers to:

A literal song
Human suffering and mortality✔️
Industrial noise
Church bells

Correct Answer Logic:

It reflects the poet's mature understanding of the interconnectedness of human experience and sorrow.

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The Constitution of Pakistan QUESTION #9394

Question 20

Under Article 12(1)(a), the protection against retrospective punishment means:

A person cannot be punished for an act lawful at the time but declared unlawful afterwards✔️
A heavier penalty than that prescribed at the time of the offence can still be imposed
A person may be tried but not punished retrospectively
Courts may retrospectively increase sentencing for ongoing offences

Correct Answer Logic:

Article 12(1)(a) provides that no law shall authorise punishment for 'an act or omission that was not punishable by law at the time of the act or omission.' Article 12(1)(b) adds that the penalty cannot exceed or differ in kind from what was prescribed at the time. Together, these form the non-retroactivity principle for penal law.

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