Questions

Q:

A bag contains 12 white and 18 black balls. Two balls are drawn in succession without replacement. What is the probability that first is white and second is black?

A) 6/145 B) 36/145
C) 18/95 D) 12/145
 
Answer & Explanation Answer: B) 36/145

Explanation:
 

The probability that first ball is white:
=C112C130=1230=25


Since, the ball is not replaced; hence the number of balls left in bag is 29.
Hence the probability the second ball is black:
=C118C129=1829


Required probability =(25)×(1829)


=36/145

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10 8939
Q:

The age of a lion can be determined from its

A) hair B) nose
C) nails D) tail
 
Answer & Explanation Answer: B) nose

Explanation:

By seeing the color of the nose we can determine the age of lions.

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Filed Under: Animals and Birds
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

24 8937
Q:

The state of california uses a mechanism known as

A) NOTS B) BOTS
C) LOTS D) POTS
 
Answer & Explanation Answer: A) NOTS

Explanation:

The state of California uses a mechanism known as NOTS.

 

NOTS stands for Negligent Operator Treatment System.

 

What is this:

It is a program that is known to rehabilitate chronic violators of the driving laws in California. It consists of a series of computer generated warning letters and sanctions against violators. It affects drivers with age 18 years old and above in California.

 

How it works:

The actions in this program are based on "negligent operator points" that is being recorded every time period. These are added continuously until it reaches a certain degree which it needs an administrative hearing. Points are being assigned depending on the degree of the offense. It would range from zero to three points.

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Filed Under: World Geography
Exam Prep: Bank Exams
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2 8925
Q:

An objective of the National Food Security Mission is to increase the production of certain crops through area expansion and productivity enhancement in a sustainable manner in the identified districts of the country. What are those crops?

A) Rice and Wheat only B) Rice, Wheat and pulses only
C) Rice, Wheat, Pulses and oil seeds only D) Rice, Wheat, Pulses, oil seeds and vegetables
 
Answer & Explanation Answer: B) Rice, Wheat and pulses only

Explanation:
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Filed Under: Indian Economy

8 8921
Q:

Which of these is not a means of personal communication on the internet  ?

A) Instant messaging B) Chat
C) Electronic mail D) Instanotes
 
Answer & Explanation Answer: D) Instanotes

Explanation:
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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

24 8918
Q:

Safdar Hashmi is a name associated with

A) Drawing and Painting B) Journalism
C) Instrumental Music D) None of these
 
Answer & Explanation Answer: D) None of these

Explanation:

Correct Answer : Safdar Hashmi is a name associated with Drama

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Filed Under: Famous Personalities

21 8914
Q:

Tochi, Gilgit and Hunza are tributaries of

A) Ganga B) Indus
C) Brahmaputra D) Yamuna
 
Answer & Explanation Answer: B) Indus

Explanation:
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Filed Under: Indian Geography

19 8909
Q:

A woman’s voice is shriller than a man’s voice due to

A) weak vocal chords B) lower frequency
C) higher frequency D) higher amplitude
 
Answer & Explanation Answer: C) higher frequency

Explanation:

As the frequency of sound is higher, women have shriller voices than men.

The shrillness or pitch of a sound is determined by its frequency. The higher the pitch shriller the voice. As the sounds produced by vocal cords of women are higher than men so women have shriller voices than men. Because their vocal cord is of smaller size. As their vocal cord is more stretched than men's.

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

7 8905