Q:

A bottle is full of dettol. One-third of it is taken out and then an equal amount of water is poured into the bottle to fill it. This operation is done four times. Find the final ratio of dettol and water in the bottle.

A) 13 : 55	B) 20 : 74
C) 16 : 65	D) 10 : 48

Answer & Explanation Answer: C) 16 : 65

Explanation:

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

The kidneys are stimulated to produce renin

A) when the pH of the urine decreases	B) when the specific gravity of urine rises above 1.10
C) when the peritubular capillaries are dilated	D) by a decrease in the blood pressure

Answer & Explanation Answer: D) by a decrease in the blood pressure

Explanation:

The kidneys are stimulated to produce renin by a decrease in the blood pressure.

The_kidneys_are_stimulated_to_produce_renin1559028461.jpg image

The renin-angiotensin system or RAS regulates blood pressure and fluid balance in the body. When blood volume or sodium levels in the body are low, or blood potassium is high, cells in the kidney release the enzyme, renin. Renin's primary function is therefore to eventually cause an increase in blood pressure, leading to restoration of perfusion pressure in the kidneys.

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Filed Under: Biology
Exam Prep: Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

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Q:

What are different types of DBMS?

Answer

1. DBMS

2. RDBMS (Relational)

3. ORDBMS (Object Relational)

4. DDBMS (Distributed)

5. FDBMS (Federated)

6. HDDBMS (Homogeneous)

7. HDBMS (Hierarchical)

8. NDBMS (Networked)

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Subject: Database
Job Role: Database Administration

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Q:

A man and his son are in a terrible accident and are rushed to the hospital in critical care. The doctor looks at the boy and exclaims "I can't operate on this boy, he's my son!" How could this be?

Answer

This is only possible when that doctor is boy's mother.

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Subject: Logic Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE , TOEFL
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Q:

An image created to accompany words is called

A) A Heirogylph	B) An Illustration
C) A Logo	D) An Icon

Answer & Explanation Answer: B) An Illustration

Explanation:

An Illustration is a visual image created to accompany words to depict them.

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Filed Under: Computer
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Q:

A copper wire of radius r and length lhas a resistance of R. A second copper wire with radius 2r and length lis taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be

A) 5 R	B) 5 R/4
C) 4 R/5	D) R/5

Answer & Explanation Answer: D) R/5

Explanation:

1st copper wire: R = pl/A = pl/ πr2

2ndcopper wire: R’ = p’l’/A’ = pl/(4 πr2) = R/4

If joined in parallel, (1/Req) = (1/R) + (1/R’)

= 1/R + 4/R1/Req= 5/R

Req= R/5

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Filed Under: Physics
Exam Prep: Bank Exams

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Q:

What is more useful when it is broken?

Answer

An Egg is more useful when it is broken than it is not.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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Q:

Which European Country is the guarantor of Bank of Central African States

A) UK	B) France
C) Germany	D) Switzerland

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