Questions

Q:

According to ohm's law, which of the following is true?

 

A) The current flowing through a wire is directly proportional to the Potential Difference applied across its ends B) The current flowing through a wire is directly proportional to its resistance
C) The current flowing through a wire is indirectly proportional to its length D) The current flowing through the wire is indirectly proportional to the Potential Difference applied across its ends  
 
Answer & Explanation Answer: A) The current flowing through a wire is directly proportional to the Potential Difference applied across its ends

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Filed Under: Physics
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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:

When was Uttarakhand separated from Uttar pradesh to form new state ?

A) 1997 B) 1998
C) 1999 D) 2000
 
Answer & Explanation Answer: D) 2000

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Filed Under: Indian Geography
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

Which media have the ability to have data/information stored (written) on them by users more than once?

A) CD-R disks B) CD-RW disks
C) Zip disks D) Optical disks
 
Answer & Explanation Answer: B) CD-RW disks

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Filed Under: Computer
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Q:

Which of the following is a radioactive element

A) Sulphur B) Polonium
C) Tellurium D) Selenium
 
Answer & Explanation Answer: B) Polonium

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Filed Under: Chemistry

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Q:

An increase in productivity will

 

A) Increase aggregate supply B) Increase in price level
C) Increase in demand D) All the above
 
Answer & Explanation Answer: A) Increase aggregate supply

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Filed Under: Indian Economy
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Q:

Highest Bajra producing state in India?

A) Rajasthan B) Gujarat
C) Uttar Pradesh D) Haryana
 
Answer & Explanation Answer: A) Rajasthan

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Filed Under: Indian Geography
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Q:

Computer software can be defined as

 

A) the interaction between the computer and its database B) an interface between the computer and the network
C) the computer and its associated equipment D) the instructions that tell the computer what to do
 
Answer & Explanation Answer: D) the instructions that tell the computer what to do

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