Q:

In a certain city, 5% of all the persons in town have unlisted phone numbers. If you select 100 names at random from that city's phone directory, how many people selected will have unlisted phone numbers?

Answer

Zero. You are selecting names from the list, so they are all listed.

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Subject: Math Puzzles

6 7590

Q:

The Administrative council os shivaji was known as

A) Parishad	B) Mantri Parishad
C) Ashta Pradhan	D) Rajya Parishad

Answer & Explanation Answer: C) Ashta Pradhan

Explanation:

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Filed Under: Indian History

10 7589

Q:

Which of the following animals was not native to India?

A) Rhinoceros	B) Tiger
C) Horse	D) Elephant

Answer & Explanation Answer: C) Horse

Explanation:

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Filed Under: Indian Geography
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

11 7589

Q:

Which of the following is the largest group of animals?

A) Nematoda	B) Porifera
C) Arthropoda	D) Mollusca

Answer & Explanation Answer: C) Arthropoda

Explanation:

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Filed Under: Biology
Exam Prep: Bank Exams

22 7588

Q:

For purifying drinking water alum is used

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

In purifying drinking water alum is used for coagulation of mud particles.

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Subject: General Science
Exam Prep: AIEEE , Bank Exams , GATE
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7 7584

Q:

Light travels slowest in

A) Glass	B) Water
C) Air	D) Vacuum

Answer & Explanation Answer: A) Glass

Explanation:

Because the refractive index of glass is highest, light travels slowly in Glass.

We know that the speed of light depends on the refraction index. The higher the index of refraction is, the slower the speed of light is.

R.I of air and vacuum = 0 (air is a teeny bit more but can be taken as 0)
R.I of water = 1.33
R.I of glass = 1.4.

Hence, Light travels slowest in Glass.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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7 7581

Q:

DRDO full form is

A) Delhi Research and Development Organisation	B) Defence Research and Deployment
C) Delhi Rail Development Organisation	D) Defence Research and Development Organisation

Answer & Explanation Answer: D) Defence Research and Development Organisation

Explanation:

DRDO stands for The Defence Research and Development Organisation.

The Defence Research and Development Organisation (DRDO) is an agency of the Republic of India, charged with the military's research and development, headquartered in New Delhi, India.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

7 7576

Q:

Of the following elements, which one has the same oxidation state in all of its compounds?

A) Hydrogen	B) Fluroine
C) Carbon	D) oxygen

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