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Federal Rules of Evidence (US) QUESTION #3788

A plaintiff sues for injuries in a car crash. The defendant offers a certified copy of a police report where the officer wrote: 'Bystander Smith told me the plaintiff ran the red light.' The officer did not see the accident. Is this statement admissible?

Yes, under the Public Records exception (Rule 803(8)).
No, because it contains 'hearsay within hearsay.'✔️
Yes, because it is a certified document.
No, because police reports are never admissible in civil cases.

Correct Answer Logic:

Under Rule 805, hearsay within hearsay is admissible only if each part of the combined statements conforms with an exception. While the report might be a public record, the bystander's statement to the officer is a second level of hearsay that requires its own exception.

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Pakistan Affairs QUESTION #300

Question 2

What role did the Pakistan Army play in the 2011 Abbottabad Operation?

Unaware until completion✔️
Actively collaborated
Provided intelligence support
Attempted to thwart

Correct Answer Logic:

Pakistan officially stated it was a unilateral U.S. operation conducted without prior notice.+1

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Home Economics QUESTION #6293

Question 3

'Brainstorming' is a group technique used primarily to:

Test the physical strength of participants
Criticize the opinions of others
Generate a large number of creative ideas in a short time✔️
Standardize a recipe

Correct Answer Logic:

Brainstorming encourages uninhibited thinking to solve problems or create new concepts.

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Biology QUESTION #579

Question 4

Which of the following do not have a body cavity?

Pseudocoelomata
Acoelomata✔️
Coelomata
None of these

Correct Answer Logic:

Acoelomates lack body cavity

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Pakistan Affairs QUESTION #319

Question 5

The name of the first Pakistani-manufactured aircraft is:

JF-17 Thunder✔️
JF-8 Thunder
JF-9 Thunder
JF-11 Thunder

Correct Answer Logic:

The JF-17 Thunder is a multi-role combat aircraft co-developed and produced in Pakistan.+1

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Chemistry QUESTION #7499

Question 6

An aqueous solution contains an unknown concentration of Ba$^{2+}$. When 50 mL of a 1 M Na$_2$SO$_4$ solution is added, BaSO$_4$ just begins to precipitate. The final volume is 500 mL and $K_{sp}(\text{BaSO}_4) = 1 \times 10^{-10}$. What was the original concentration of Ba$^{2+}$?

$1.1 \times 10^{-9}$ M
$1.0 \times 10^{-10}$ M
$5 \times 10^{-9}$ M
$2 \times 10^{-9}$ M✔️

Correct Answer Logic:

At the point of precipitation: $[\text{Ba}^{2+}][\text{SO}_4^{2-}] = K_{sp} = 1 \times 10^{-10}$

Find $[\text{SO}_4^{2-}]$ in the final mixture:

Moles of SO$_4^{2-}$ added $= 0.050\ \text{L} \times 1\ \text{M} = 0.05\ \text{mol}$

Final volume $= 500\ \text{mL} = 0.5\ \text{L}$

$[\text{SO}_4^{2-}]_{\text{final}} = \dfrac{0.05}{0.5} = 0.1\ \text{M}$

Find $[\text{Ba}^{2+}]$ in the final mixture:

$[\text{Ba}^{2+}]_{\text{final}} = \dfrac{K_{sp}}{[\text{SO}_4^{2-}]} = \dfrac{1\times10^{-10}}{0.1} = 1\times10^{-9}\ \text{M}$

Back-calculate original concentration: Final volume is 10× original Ba$^{2+}$ volume (500 mL total, 450 mL original solution).

Original $[\text{Ba}^{2+}] = 1\times10^{-9} \times \dfrac{500}{450} \approx \mathbf{2\times10^{-9}}\ \text{M}$

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General Abilities QUESTION #4589

Question 7

Two numbers are in ratio $7:9$. If their sum is $64$, what is the larger number?

$28$
$36$✔️
$32$
$56$

Correct Answer Logic:

Total parts = $7+9=16$. Larger = $\frac{9}{16} \times 64 = 36$

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3432

Question 8

'Kwashiorkor' is a severe form of malnutrition caused by deficiency of:

Carbohydrates
Fats
Proteins✔️
Vitamins

Correct Answer Logic:

Often seen in children, characterized by edema (swollen belly).

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Civil Engineering QUESTION #6585

Question 9

Railway stations at which a main line or one of its branch lines terminates are classified as:

Terminal Stations✔️
Junction Stations
Halt Stations
None of the above

Correct Answer Logic:

Terminal stations (or terminus stations) are endpoints of a railway line where trains cannot proceed further and must reverse or terminate service. Junction stations are where lines intersect/branch.

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General Science and Ability QUESTION #253

Question 10

The isotopes of any element contain equal number of:

Protons✔️
Neutrons
Both electrons and protons
None of these

Correct Answer Logic:

Isotopes are atoms of the same element with the same number of protons but different neutrons.+1

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Urdu QUESTION #5079

Question 11

رابعہ بصری کس ہجری میں پیدا ہوئیں؟

85 ہجری
90 ہجری
95 ہجری
ان میں سے کوئی نہیں✔️

Correct Answer Logic:

رابعہ بصری تقریباً 99 ہجری میں پیدا ہوئیں۔ مختلف روایات میں سن پیدائش مختلف بیان کی گئی ہے۔

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Federal Rules of Evidence (US) QUESTION #3795

Question 12

Which rule defines the 'original' of a writing, recording, or photograph?

Rule 1001.✔️
Rule 1002.
Rule 1003.
Rule 1004.

Correct Answer Logic:

Rule 1001 provides the definitions for the 'Best Evidence Rule' chapter, including what constitutes a 'writing,' 'recording,' and 'original.'

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Urdu QUESTION #5145

Question 13

رال ٹپکنا کا کیا مطلب ہے؟

مشکل نظر آنا
منہ میں پانی آنا✔️
جی بھرنا
ان میں سے کوئی نہیں

Correct Answer Logic:

رال ٹپکنا محاورے کا مطلب ہے کسی چیز کی خواہش میں منہ میں پانی آنا۔

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General Abilities QUESTION #3974

Question 14

A consumer purchased a television set with a list price of $\$160$. The buyer received two successive discounts of $20\%$ and $10\%$. What was the final price paid for the TV?

$\$129.60$✔️
$\$119.60$
$\$118.20$
$\$115.20$

Correct Answer Logic:

3

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MCQs Section QUESTION #4883

Question 15

Which word is similar to "ESSAY"

Direct
Compose
Attempt✔️
Suppose

Correct Answer Logic:

Essay as a verb means to attempt or try something. Attempt is its closest synonym in this context.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3418

Question 16

Which vitamin is known as the 'Anti-Sterility Vitamin' in some animals?

Vitamin A
Vitamin D
Vitamin E✔️
Vitamin K

Correct Answer Logic:

Vitamin E (Tocopherol) acts as a powerful antioxidant.

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General Ability and Fire Fighting QUESTION #5594

Question 17

Which class of fire involves ordinary combustibles such as wood paper and cloth?

Class B
Class C
Class A✔️
Class K

Correct Answer Logic:

Class A fires involve ordinary combustibles like wood paper and cloth. They are best extinguished using water or dry chemical agents.

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Biology QUESTION #7754

Question 18

Which cytoplasmic organelle is capable of synthesizing its own proteins?

Chromosomes
Golgi apparatus
Mitochondria✔️
Smooth ER

Correct Answer Logic:

Mitochondria have their own DNA (mtDNA) and ribosomes (70S) and can synthesize some of their proteins. Chloroplasts also do this.

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Boilers Mechanical Engineering QUESTION #2437

Question 19

The damping ratio (critical damping ratio) $\zeta$ for a viscously damped system is defined as:

$\zeta = c\omega_n / k$
$\zeta = c / c_{cr} = c / (2m\omega_n)$✔️
$\zeta = c / (2k)$
$\zeta = \sqrt{c / (2mk)}$

Correct Answer Logic:

The damping ratio $\zeta = c/c_{cr} = c/(2m\omega_n) = c/(2\sqrt{km})$. Systems with $\zeta<1$ are underdamped, $\zeta=1$ critically damped, and $\zeta>1$ overdamped.

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General Knowledge QUESTION #269

Question 20

Krakow is a city in:

Poland✔️
Ukraine
Russia
None of these

Correct Answer Logic:

Krakow is one of the oldest and largest cities in Poland.

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