Q:

Which bond has the greatest ionic character?

A) H-F	B) H-Cl
C) H-N	D) H-O

Answer & Explanation Answer: A) H-F

Explanation:

Ionic character depends on the electronegativity difference between the bonding elements. The greatest the elctronegativity diffference the greatest the ionic character.

Here in the given options, H-F has has the greatest ionic character. The electronegativity of Hydrogen is 2.1 and that of Fluorine is 4. Now the electronegativity difference is 4 - 2.1 = 1.9.

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Q:

Puzzle : Bridge Crossing

Jim, Jeanne, Louis and Anne wants to cross the bridge at night. They have only one torch light with them. Only two can cross the bridge at a time. They need torch light to cross the bridge. Each of them walks at a different speed. Jim needs 1 minute, Jeanne needs 2 minutes, Louis needs 5 minutes and Anne needs 10 minutes. A pair must walk together at the rate of the slower person. How these people can cross the bridge within 17 minutes?

Answer

First Jim and Jeanne walks across the bridge, it takes 2 minutes.

Jim walks back with the torch light, which takes 1 minute.

Then Louis and Anne walk on the bridge, which takes 10 minutes.

Jeanne comes back with the torch light, it takes 2 minutes.

Finally Jim and Jeanne walks across the bridge, which takes 2 minutes.

Total = 2 + 1 + 10 + 2 + 2 = 17 minutes

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Subject: Math Puzzles

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Q:

Who was the first posthumous recipient of Bharat Ratna ?

A) B.R. Ambedkar	B) Lal Bahadur Shastri
C) K. Kamraj	D) M.G. Ramachandran

Answer & Explanation Answer: B) Lal Bahadur Shastri

Explanation:

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Q:

At the Curie temperature, the ferromagnetic materials get converted into

A) Diamagnetic materials	B) Non-magnetic materials
C) Paramagnetic materials	D) None of the others

Answer & Explanation Answer: C) Paramagnetic materials

Explanation:

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Filed Under: Physics
Exam Prep: AIEEE

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Q:

What is the most important step in prioritizing goals?

A) deciding what is most important	B) having multiple tasks lined up for each goal
C) determining categories for various goals	D) writing a list of goals

Answer & Explanation Answer: A) deciding what is most important

Explanation:

Always prioritize by what's most important to what is less important to us to reach our goals as soon as possible.

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Q:

Inventor of WWW is ______

A) Bill Gates	B) Lee.N.Feyong
C) N. Resscl	D) Tim Berners Lee

Answer & Explanation Answer: D) Tim Berners Lee

Explanation:

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Filed Under: Computer
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Q:

Michael Jackson was a distinguished personality in which of the following fields

A) Journalism	B) Acting
C) Pop Music	D) Sports

Answer & Explanation Answer: C) Pop Music

Explanation:

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Q:

A user reports a PC problem to the Service Desk. A Service Desk representative determines that the PC is defective and indicates that according to the services catalogue, the PC will be replaced within three hours. Which ITIL process is responsible for having this user's PC replaced within three hours?

A) Availability Management	B) Change Management
C) Configuration Management	D) Service Level Management

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