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Physics QUESTION #4387

For two equal positive charges, the electric field is weakest:

Midway between them✔️
Along the perpendicular bisector
Close to either charge
At infinity

Correct Answer Logic:

At the midpoint between two equal positive charges, the electric fields due to each charge are equal in magnitude but opposite in direction, so they cancel out. The resultant electric field is zero (weakest) at this point.

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Biology QUESTION #4209

Question 2

Which of the following organ takes part in the T-cell maturation for both the lymphatic and endocrine systems?

Spleen
Thymus✔️
Liver
Kidney

Correct Answer Logic:

Thymus is where T-cells mature.

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The Title 28 of the United States Code QUESTION #3718

Question 3

A tenant signs a lease that says 'No Pets.' The landlord sees the tenant has a cat and says, 'That's a nice cat, don't worry about the rule.' Six months later, the landlord tries to evict the tenant for having the cat. Which doctrine protects the tenant?

The Parol Evidence Rule.
Waiver or Promissory Estoppel.✔️
Unconscionability.
The Statute of Frauds.

Correct Answer Logic:

By stating the tenant shouldn't worry about the rule and allowing the cat for six months, the landlord has likely waived the right to enforce the 'no pets' clause, or the tenant has a claim under promissory estoppel for relying on the landlord's statement.

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General Knowledge QUESTION #177

Question 4

Saudi Arabia re-established diplomatic relations with Iran on:

Dec 10, 2023
May 10, 2023
March 10, 2023✔️
None of these

Correct Answer Logic:

The China-brokered deal was announced on March 10, 2023.

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Urdu QUESTION #5212

Question 5

جوئے شیر لانا محاورے کے معانی ہیں؟

بچپن کا زمانہ یاد کرنا
آسان کام کرنا
مشکل کام سر انجام دینا✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

جوئے شیر لانا محاورے کا مطلب ہے انتہائی مشکل کام کرنا۔ یہ فرہاد کی کہانی سے ماخوذ ہے۔

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Biomedical Sciences QUESTION #3805

Question 6

From which component of the female reproductive endocrine system is oestradiol primarily synthesised and secreted?

Hypothalamus
Ovarian follicle✔️
Adrenal cortex
Anterior pituitary

Correct Answer Logic:

Oestradiol is predominantly produced by granulosa cells of developing ovarian follicles under stimulation by FSH from the anterior pituitary.

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Basic Mathematics QUESTION #4490

Question 7

What is the product of $-8$ and $-5$?

$-40$
$40$✔️
$-13$
$13$

Correct Answer Logic:

When two negative numbers are multiplied, the result is positive. $(-8) \times (-5) = 40$

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Computer Science QUESTION #1116

Question 8

Which software development model uses iterative cycles and continuous development?

Agile model✔️
Spiral model
V-model
None of these

Correct Answer Logic:

Agile methodology focuses on iterative development, where requirements and solutions evolve through the collaborative effort of self-organizing cross-functional teams.

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Statistics QUESTION #1965

Question 9

An ordinal (ranking) scale inherently includes all properties of which other measurement scale?

Nominal scale✔️
Interval scale
Ratio scale
All of the above

Correct Answer Logic:

An ordinal scale includes the classification property of the nominal scale, and adds ordering. Hence it always includes all properties of the nominal scale.

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Computer Science QUESTION #1141

Question 10

What is a 'Race Condition' in operating systems?

A fast execution mode
Multiple processes accessing and manipulating shared data concurrently✔️
A network speed test
A priority-based task

Correct Answer Logic:

A race condition occurs when the outcome of execution depends on the specific order or timing of access to shared resources by multiple processes.

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Mechanical Engineering QUESTION #2503

Question 11

A simply supported beam with uniformly distributed load $w$ (N/m) over span $L$ has a maximum bending moment of:

$M_{max} = \frac{wL}{8}$
$M_{max} = \frac{wL^2}{4}$
$M_{max} = \frac{wL^2}{8}$✔️
$M_{max} = \frac{wL^2}{2}$

Correct Answer Logic:

For a simply supported beam with UDL $w$ over span $L$: the maximum bending moment occurs at mid-span and equals $M_{max} = wL^2/8$.

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Mathematics QUESTION #1311

Question 12

For the Gauss-Seidel method to be guaranteed to converge, the coefficient matrix should be:

Symmetric
Orthogonal
Diagonally dominant✔️
Singular

Correct Answer Logic:

A sufficient condition for convergence of Gauss-Seidel (and Jacobi) is that the matrix is strictly diagonally dominant: $|a_{ii}|>\sum_{j\neq i}|a_{ij}|$ for each row $i$. Diagonal dominance ensures the iteration converges from any starting point.

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Biology QUESTION #4206

Question 13

Components of reflex arc must contain neurons from:

Motor nerve and Mixed nerve
Sensory nerve and intermediate nerve
Motor nerve and Sensory Nerve✔️
Mixed nerve and intermediate nerve

Correct Answer Logic:

A reflex arc requires sensory neurons (afferent) and motor neurons (efferent).

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English QUESTION #2675

Question 14

Choose the pair that expresses a similar relationship as: 'Gloves : Hands'

Socks : Feet
Hat : Head
Shirt : Body
All of the above✔️

Correct Answer Logic:

Gloves cover hands; socks cover feet, hats cover heads, and shirts cover the body.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3596

Question 15

'Senna' and 'Aloe' belong to which chemical class of glycosides?

Saponin Glycosides
Anthraquinone Glycosides✔️
Cardiac Glycosides
Cyanophore Glycosides

Correct Answer Logic:

Anthraquinone glycosides are well known for their stimulant laxative properties.

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Therapeutics and Patient Care QUESTION #3869

Question 16

Which penicillin retains its antibacterial activity in the presence of the beta-lactamase enzyme penicillinase?

Amoxicillin
Flucloxacillin✔️
Phenoxymethylpenicillin
Ticarcillin

Correct Answer Logic:

Flucloxacillin is a penicillinase-resistant penicillin due to its bulky side chain that prevents the beta-lactamase enzyme from accessing the beta-lactam ring.

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Chemistry QUESTION #451

Question 17

Osmotic pressure of a solution is __________ property.

Obligative
Fractional
Colligative✔️
Automated

Correct Answer Logic:

Osmotic pressure is a colligative property

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Urdu QUESTION #5157

Question 18

صحیفہ کس ادارے کا جریدہ ہے؟

اکادمی ادبیات
مجلس ترقی ادب✔️
مقتدرہ قومی زبان
ان میں سے کوئی نہیں

Correct Answer Logic:

صحیفہ لاہور سے شائع ہونے والا ادبی جریدہ ہے جو مجلس ترقی ادب سے وابستہ ہے۔

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Mechanical Engineering QUESTION #2383

Question 19

A necessary and sufficient condition for a linear feedback system to be stable is that:

All poles of the closed-loop transfer function have positive real parts
All poles of the closed-loop transfer function have negative real parts✔️
The gain $K$ is greater than 1
The system has no zeros in the right-half s-plane

Correct Answer Logic:

Stability condition: all poles of the closed-loop transfer function must have negative real parts (lie in the left-half s-plane). If any pole has a positive real part, the response grows without bound (unstable).

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Urdu QUESTION #5243

Question 20

احمد ندیم قاسمی کا افسانہ کون سا ہے؟

الحمدللہ
بغولے
کتبہ✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

کتبہ احمد ندیم قاسمی کا مشہور افسانہ ہے۔

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