Questions

Q:

The largest producer of fruits in the Anglo-American Region is _____

A) New - England Region B) Greak Lakes Region
C) California D) Application Region
 
Answer & Explanation Answer: C) California

Explanation:
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Filed Under: World Geography

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Q:

What is Kerberos?

Answer

It is an authentication service developed at the Massachusetts Institute of Technology. Kerberos uses encryption to prevent intruders from discovering passwords and gaining unauthorized access to files.

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Subject: Networking
Job Role: Network Engineer

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Q:

A balloon filled with hydrogen will

A) continue going upwards uninterrupted B) reach a particular height and remain floating
C) burst after reaching some height D) reach a particular height and start coming down
 
Answer & Explanation Answer: B) reach a particular height and remain floating

Explanation:

It will stop at a height where the weight of the balloon with contents is equal to the weight of air displaced by it, i.e , when the upthrust is equal to the downthrust. The question of bursting will depend on how much difference of pressure inside and outside , the material of the balloon can withstand. It is assumed the balloon is filled with a lighter than air gas like hydrogen or helium.

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Filed Under: Physics

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Q:

A nuclear reactor is said to have become 'critical' when 

A) it stops due to malfunctioning B) it starts emitting dangerous radioactive radiations
C) it is shut down to avoid explosion D) it is ready to produce controlled energy
 
Answer & Explanation Answer: D) it is ready to produce controlled energy

Explanation:

To produce controlled energy i.e energy at a controlled or steady rate, the number of fissions per second must be controlled and maintained at that rate. Excess neutrons should be absorbed by control roads like cadmium.

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Filed Under: Physics

4 4027
Q:

If there are 17 randomly placed dots on a circle,how many lines can you form using any 2 dots?

A) 126 B) 130
C) 136 D) 120
 
Answer & Explanation Answer: C) 136

Explanation:

17C2 = 136 (combination)

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Q:

A research team of 6 people is to be formed from 10 chemists,5 politicians, 8 economists and 15 biologists.How many teams have atleast 5 chemists?

A) 7350 B) 6400
C) 6379 D) 7266
 
Answer & Explanation Answer: D) 7266

Explanation:

10C5 x 28C1 x 10C6 = 7266

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0 4026
Q:

Who among the following is set to become the youngest-ever "Messenger of Peace," for 'United Nations' ?

A) Rashi Anand B) Shikha Patra
C) Bedadyuti Jha D) Malala Yousafzai
 
Answer & Explanation Answer: D) Malala Yousafzai

Explanation:
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Filed Under: Famous Personalities
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

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Q:

Atomic weight of an element is given by

A) sum of neutrons and electrons B) sum of neutrons and protons
C) only neutrons D) only protons
 
Answer & Explanation Answer: A) sum of neutrons and electrons

Explanation:

Atomic weight=number of neutrons+number of protons

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Filed Under: Chemistry

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