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Q:

What was the topic of the book 'The Other America'?

A) Poverty was widespread in America. B) Education was lacking in America.
C) Racism was widespread in America. D) Americans needed more highways.
 
Answer & Explanation Answer: A) Poverty was widespread in America.

Explanation:

The book "The Other America" was written by Michael Harrington. The topic of the book 'The Other America' was Poverty was widespread in America.

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Filed Under: Books and Authors
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Q:

Two boxes contain 4 and 16 balls respectively. Two balls in the first box and four in the second, are black. If a box is chosen randomly and two balls are drawn at random from it, what is the
probability that at least one ball is black if the ball is not replaced?

A) 11/20 B) 43/120
C) 77/120 D) 9/20
 
Answer & Explanation Answer: C) 77/120

Explanation:

At least one black can be chosen in two ways from each box:
Now, probability of choosing at least one black ball from first box 

= 1/2 × [ (2C1× 2C1)/4C2 + 2C2/ 4C2 ]= 5/12

Probability of choosing at least one black ball from 2nd box
= 1/2 × [(4C1×12C1)/16C2 + 4C2/ 16C2] = 9/40

Final probability

= 5/12 + 9/40 = (50 + 27)/120 = 77/120

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams , GATE

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Q:

Hepatitis virus destroys the cells and may cause the disease

A) Jaundice B) Malaria
C) Typhoid D) Elephantiasis
 
Answer & Explanation Answer: A) Jaundice

Explanation:
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Filed Under: Biology

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Q:

Who is also known as the founder of scientific socialism ?

A) Karl Marx B) Lenin
C) Rousseau D) Engels
 
Answer & Explanation Answer: A) Karl Marx

Explanation:
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Filed Under: World History

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Q:

In Cricket the two sets of wickets are

A) 22 yards apart B) 24 yards apart
C) 20 yards apart D) 21 yards apart
 
Answer & Explanation Answer: A) 22 yards apart

Explanation:

According to the rules and regulations of cricket, the height of the stumps must be of 28 inches or 71.12 cms. The total distance between the off stump and leg stump should be 9 inches or 22.86 cms. 1. Width and pitching. Two sets of wickets shall be pitched opposite and parallel to each other at a distance of 22 yards/20.12 meters.

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Filed Under: General Awareness
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Q:

Which best summarizes the concept of natural selection?

A) the fittest organisms survive and reproduce B) an organism will always adapt to its environment
C) an organism will always mutate to survive D) a mutation always makes a species fitter
 
Answer & Explanation Answer: A) the fittest organisms survive and reproduce

Explanation:

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.

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Filed Under: Biology
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Q:

You have started your own company based upon PMI methodologies and have been contracted by the government to develope a new interface for one of its computer applications. You develope a solution and win the bid for the contract but encounter problems at the end of the project when the customer says that you did not fullfill their needs. You are throughly shocked. What is your conclusion of the situation?

A) There are always more customers available B) If the customer is not satisfied, the project is not successful
C) Change control management was not effective D) The customer did not communicate very well
 
Answer & Explanation Answer: B) If the customer is not satisfied, the project is not successful

Explanation:

Answer A is incorrect because without satisfied customers, we do not have potential for new projects. Answer C is incorrect because the change control management process would have likely resolved this problem. Answer D is incorrect because it is the project manager's responsibility to seek communication with the customer to set realistic expectations.

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Filed Under: PMP Certification

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Q:

A column defined as UNIQUE can contain Nulls while a column defined as PRIMARY KEY can't contain Nulls

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Because a table can have only one primary key

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Subject: Oracle Certification
Job Role: Database Administration

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