Questions

Q:

Which of the following statement is INCORRECT regarding Sodium?

A) Sodium reacts vigorously with oxygen and water B) A lot of heat is generated when sodium reacts with water and oxygen
C) It is stored in kerosene D) It is a non-metal
 
Answer & Explanation Answer: D) It is a non-metal

Explanation:
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Filed Under: Chemistry
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Q:

What happens as we go down the group in the periodic table?

A) The number of shells decreases B) Valence electrons decreases
C) The number of shells increases D) Atomic size decreases
 
Answer & Explanation Answer: C) The number of shells increases

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Q:

Which is the longest bone in human body?

A) febula B) Tibia
C) Stapes D) Femur
 
Answer & Explanation Answer: D) Femur

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Filed Under: Biology
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Q:

Which of the following award is to recognize distinguished service of a high order to the nation?

A) Padma Bhushan B) Param Vir Chakra
C) Padma Vibhushan D) Bharat Ratna
 
Answer & Explanation Answer: A) Padma Bhushan

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Filed Under: Honours and Awards
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Q:

At what point does the line 2x - 3y = 6 cuts the X axis?

A) (-3 , 0) B) (0 , 3)
C) (0 , -3) D) (3 , 0)
 
Answer & Explanation Answer: D) (3 , 0)

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Q:

In the question given below, a statement is given followed by three courses of action. A course of action is taken for improvement, follow up, etc. Read the statement carefully and give your answer.

Statement:
A knife-wielding assailant killed a 29- year-old man and injured four others in a lively neighbourhood near Paris’ famed Opera Garnier before he was killed by police on Saturday night.

Courses of Action:
I. The government should ban the sale of knives in all major cities.
II. Any person seen carrying a knife should be immediately taken into police custody.
III. Policemen should be posted near all major tourist spots to avoid such untoward incidents.

A) Only course of action I follows B) Only course of action II follows
C) Both I and II follow D) Both II and III follow
 
Answer & Explanation Answer:

Explanation:

None of the courses of action follow. Banning the sale of knives just because one particular knife-wielding assailant went on a rampage makes no sense. Similarly, taking into police custody all those who are seen carrying knives is not something practical. Knives can be used for so many other purposes not involving the killing/harming of people. Finally, it is not a realistic expectation that posting policemen in all major tourist spots would reduce or altogether stop instances of such occurrences. Therefore, option E is the correct answer.

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Q:

After a credit card transaction has been authorized by theissuing bank by sending an authorization code to themerchant, the settlement stage of the process begins. Whichof the following is a system type used to process suchstatements?

A) Multitasking B) Memory Processing
C) Level Processing D) Batch Processing
 
Answer & Explanation Answer: D) Batch Processing

Explanation:

After a credit card transaction has been authorized bythe issuing bank by sending an authorization code tothe merchant, the settlement stage of the processbegins. This is called batch processing because anumber (or batch) of transactions is settled all at onetime.

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Q:

Rectifiers convert _____.

A) high voltage to low voltage B) low voltage to high voltage
C) AC to DC D) DC to AC
 
Answer & Explanation Answer: C) AC to DC

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