Analyst Questions


Q:

The command to eliminate a table from a database is

A) REMOVE TABLE CUSTOMER; B) UPDATE TABLE CUSTOMER;
C) DELETE TABLE CUSTOMER; D) DROP TABLE CUSTOMER;
 
Answer & Explanation Answer: D) DROP TABLE CUSTOMER;

Explanation:

The SQL DROP TABLE statement is used to remove a table definition and all data, indexes,...

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Q:

It is 3 in the morning, you’re sleeping and you hear the doorbell. It’s your parents who show up for a surprise visit for breakfast. You’ve got the strawberry jam, honey, bread and cheese.
What do you open first?

A) open your door B) open your mouth
C) open the fridge D) open your eyes
 
Answer & Explanation Answer: D) open your eyes

Explanation:

As you were asleep, none of the things could have happened without doing "open your eyes" first.

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Filed Under: Logic Puzzles
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

What is conversion operator ?

Answer

Class can have a public method for specific data type conversions.
for example:
class B
{
double value;
public  B(int i )
operator double()
{
return value;
}
};
B BObject;
double i = BObject; // assigning object to variable i of type double.
now conversion operator gets called to assign the value.

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Q:

A group of five persons is formed from five boys and four girls. Find the probability that there are at least two girls in the group?

A) 110/129 B) 5/6
C) 121/126 D) 3/7
 
Answer & Explanation Answer: A) 110/129

Explanation:

Total number of possible ways = 

9C5 = 9 x 8 x 7 x 6 x 55 x 4 x 3 x 2 x 1 = 126

Number of favorable cases = 

4C2 x 5C3 + 4C3 x 5C2 + 4C4 x 5C14 x 32 x 1 x 5 x 4 x 33 x 2 x 1 + 4 x 3 x 23 x 2 x 1 x 5 x 4 2 x 1 + 1 x 5= 6 x 10 + 4 x 10 + 5= 60 + 40 + 5= 105

 

Therefore, required probability = 105/126 = 5/6

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Filed Under: Probability
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Q:

Highest sugarcane producing state in India?

A) Maharashtra B) Uttar Pradesh
C) Gujarat D) Uttarakhand
 
Answer & Explanation Answer: B) Uttar Pradesh

Explanation:

Agriculture is the occupation of a majority of the Indian population. More than 65% of India's land area is under agriculture.

Sugarcane is one of the most popular multipurpose crops in India and no part of the sugarcane goes waste.

Uttar Pradesh is the highest sugarcane producing state in India followed by Maharashtra.

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Filed Under: Indian Geography
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Q:

Pinaka is a

A) a multi barrel rocket launcher developed by DRDO B) a rocket launcher developed by France
C) a missile developed by DRDO D) a missile imported from Russia
 
Answer & Explanation Answer: A) a multi barrel rocket launcher developed by DRDO

Explanation:

1. Pinaka is a multi barrel rocket launcher developed by the Defence Research and Development Organisation (DRDO) for the Indian Army.

2. The system has a maximum range of 40 km for Mark-I and 75 km for Mark-II, and can fire a salvo of 12 rockets in 44 seconds.

3. The system is mounted on a Tatra truck for mobility.

4. Actually, the meaning of Pinaka is Shiv Dhanush.

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Filed Under: General Awareness
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Q:

Which of the following is not an Output device?

A) Scanner B) Moniter
C) Printer D) Speakers
 
Answer & Explanation Answer: A) Scanner

Explanation:
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Q:

How do cancer cells differ from normal cells?

Answer

There are many differences between cancer cells and normal cells. Some of the differences are well known, whereas others have only been recently discovered and are less well understood.


cancer_cells_vs_normal_cells1531806964.jpg image


Cancer Cells vs. Normal Cells ::



Below are some of the major differences between normal cells and cancer cells, which in turn account for how malignant tumors grow and respond differently to their surroundings than benign tumors.



Growth :—


Normal cells stop growing (reproducing) when enough cells are present. For example, if cells are being produced to repair a cut in the skin, new cells are no longer produced when there are enough cells present to fill the hole; when the repair work is done. In contrast, cancer cells don’t stop growing when there are enough cells present. This continued growth often results in a tumor (a cluster of cancer cells) being formed. 



Communication :—


Cancer cells don’t interact with other cells as normal cells do. Normal cells respond to signals sent from other nearby cells that say, essentially, “you’ve reached your boundary.” When normal cells “hear” these signals they stop growing. Cancer cells do not respond to these signals.



Stickiness :—


Normal cells secrete substances that make them stick together in a group. Cancer cells fail to make these substances, and can “float away” to locations nearby, or through the bloodstream or system of lymph channels to distant regions in the body.


 


Ability to Metastasize (Spread) :—


Normal cells stay in the area of the body where they belong. For example, lung cells remain in the lungs. Cancer cells, because they lack the adhesion molecules that cause stickiness, are able to travel via the bloodstream and lymphatic system to other regions of the body—they have the ability to metastasize. 


 


Appearance :—


Under a microscope, normal cells and cancer cells may look quite different. In contrast to normal cells, cancer cells often exhibit much more variability in cell size—some are larger than normal and some are smaller than normal. In addition, cancer cells often have an abnormal shape, both of the cell, and of the nucleus (the “brain” of the cell.) 



The rate of growth :—


Normal cells reproduce themselves and then stop when enough cells are present. Cancer cells reproduce rapidly before the cells have had a chance to mature.


 


Maturation :—


Normal cells mature. Cancer cells, because they grow rapidly and divide before cells are fully mature, remain immature. Doctors use the term undifferentiated to describe immature cells (in contrast to differentiated to describe more mature cells.) 


 


Evading the immune system  :—


When normal cells become damaged, the immune system (via cells called lymphocytes) identifies and removes them. Cancer cells are able to evade (trick) the immune system long enough to grow into a tumor by either by escaping detection or by secreting chemicals that inactivate immune cells that come to the scene.


 


Functioning :—


Normal cells perform the function they are meant to perform, whereas cancer cells may not be functional. For example, normal white blood cells help fight off infections. In leukemia, the number of white blood cells may be very high, but since the cancerous white blood cells are not functioning as they should, people can be more at risk for infection even with an elevated white blood cell count.

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Subject: General Science Exam Prep: AIEEE , Bank Exams
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