CAT Questions

Q:

Metal extracted from seawater

A) Potassium B) Calcium
C) Magnesium D) Sodium
 
Answer & Explanation Answer: C) Magnesium

Explanation:

Magnesium is dissolved in seawater at a concentration of about 1,000 parts per million and is the only metal directly extracted from seawater.

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Filed Under: General Science
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Q:

Which continent is known as white continent?

A) Antarctica B) Europe
C) Asia D) Africa
 
Answer & Explanation Answer: A) Antarctica

Explanation:

Antarctica is known as white continent because 98% of it's area is covered by ice throughout the year.

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Filed Under: General Awareness
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Q:

DNA is made of repeating units called

A) Nucleotides B) Ribozomes
C) Peptides D) Aminoacids
 
Answer & Explanation Answer: A) Nucleotides

Explanation:

DNA is a very long chain polymer made up of thousands of repeating units called nucleotides.

 

Nucleotide Unit is composed of a phosphate group, a pentose sugar, and a nitrogenous base.

 

The sides of the DNA ladder are made up of alternating deoxyribose sugar -- phosphate group units.

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Filed Under: Biology
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Q:

Atomic mass of first 30 elements?

Answer

Here I give you the first 30 Atomic elements names and their Atomic masses.


 


Atomic number      Element        Atomic mass
                             


        1                 Hydrogen           1


        2                  Helium              4


        3                 Lithium              6.94


        4                Beryllium            9.01


        5                  Boron               10.81


        6                Carbon               12.01


        7                Nitrogen             14.01


        8                Oxygen              15.99


        9                Fluorine              19.00


       10                Neon                 20.18


       11               Sodium               22.99


       12             Magnesium           25.31


       13             Aluminium            26.98


       14               Silicon                28.09


       15             Phosphorus           30.97


       16               Sulphur               32.07


       17               Chlorine              35.45


       18                Argon                 39.95


       19             Potassium              39.10


       20              Calcium                40.08


       21             Scandium              44.96


       22             Titanium               47.87


       23            Vanadium              50.94


       24             Chromium            24. 52


       25            Manganese            54.94


       26                Iron                  55.85


       27              Cobalt                 58.93


       28               Nickel                 58.69


       29              Copper                 63.55


       30                Zinc                   65.41

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Subject: Chemistry Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

I have four fingers and a thumb, but not alive.

Who am I?

Answer

A glove. It has 5 fingers as we have but not alive.

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Subject: Logic Puzzles Exam Prep: GATE , CAT , Bank Exams , AIEEE
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2 4304
Q:

The school principal has received complaints from parents about bullying in the school yard during recess. He wants to investigate and end this situation as soon as possible, so he has asked the recess aides to watch closely. Which situation should the recess aides report to the principal ?

A) A boy is sitting glumly on a bench reading a book and not interacting with his peers. B) Two boys are playing a one-on-one game of basketball and are arguing over the last basket scored.
C) Three boys are huddled over a handheld video game, which isn’t supposed to be on school grounds. D) Four girls are surrounding another girl and seem to have possession of her backpack.
 
Answer & Explanation Answer: D) Four girls are surrounding another girl and seem to have possession of her backpack.

Explanation:

Seeing four girls surrounding another girl, while in possession of her backpack, is the most suspicious of the incidents described.

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Filed Under: Analogy
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Q:

Now my value becomes ?

value1499404917.jpg image

A) 5 B) 10
C) 15 D) 12
 
Answer & Explanation Answer: B) 10

Explanation:

In the first figure, number of triangles are 5.

In the second, the figure becomes double then the number of triangles also doubles.

i.e, 10. 

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Q:

64/12 in simplest form?

A) 19/6 B) 32/4
C) 16/3 D) None of the above
 
Answer & Explanation Answer: C) 16/3

Explanation:

64/12 = 16/3 in simplest form.

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Filed Under: Simplification
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