GATE Questions and Answers with Explanation

Q:

Negative divided by Negative

A) -ve	B) +ve
C) 0	D) Can't be determined

Answer & Explanation Answer: B) +ve

Explanation:

We know the Mathematical rules that

$\frac{+}{+} = + \frac{+}{-} = - \frac{-}{+} = - \frac{-}{-} = +$

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Q:

The following bar graph shows the percentage of chairs produced by two companies Neel Kamal and Raj Kamal during five different years. Bar graph also shows the total no. of chairs produced in different years associated with it. Study the graph carefully to answer the following questions.

bar_g1527828671.jpg image

Question 1) Find the average no. of chairs produced by Raj Kamal in the years 2004, 2006 and 2007 together.

Question 2) What is the ratio of no. of chairs produced by Neel Kamal in the years 2007 and 2008 together to that by Raj Kamal in the same years together?

Question 3) If 12% chairs out of total chairs produced in the year 2008 were defective and in them ratio of defective chairs by Raj Kamal and Neel Kamal is 2 : 3 then find the no. of defective chairs produced by Neel Kamal in the year 2008.

Answer

Answer 1)

1/3 x (54 x 150 + 60 x 300 + 36 x 450)

= 1/3 x 42300

= 14100.

Answer 2)

Required ratio of chairs = $\frac{64 x 450 + 56 x 500}{36 x 450 + 44 x 500}$

= 56800/38200

= 284/191.

Answer 3)

Required number of chairs = $\frac{3}{5} x \frac{12}{100} x 50000$
= 3600.

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Subject: Bar Charts Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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Q:

'.bak' extension refers to what kind of file?

A) Document	B) Movie/Video file
C) Backup file	D) Audio file

Answer & Explanation Answer: C) Backup file

Explanation:

In computing, ".bak" is a filename extension commonly used to signify a backup copy of a file.

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Q:

The standard English sentence order does which of the following?

A) Verb-Subject-Object	B) Subject-Verb-Object
C) Verb-Object-Subject	D) Object-Verb-Subject

Answer & Explanation Answer: B) Subject-Verb-Object

Explanation:

The standard English sentence order is Subject-Verb-Object.

For example ::

In the sentence, Why did you (S) do (V) that (O)?

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Q:

Ampere second could be the unit of

A) Power	B) Energy
C) Conductance	D) Charge

Answer & Explanation Answer: C) Conductance

Explanation:

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Q:

Electromagnetic waves are transverse in nature is evident by

A) Reflection	B) Polarisation
C) interference	D) Diffraction

Answer & Explanation Answer: B) Polarisation

Explanation:

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Q:

After Srinagar (J&K), India's 2nd Tulip Garden will come up in which state?

A) Uttarakhand	B) Himachal Pradesh
C) Delhi	D) Karnataka

Answer & Explanation Answer: A) Uttarakhand

Explanation:

India's 2nd Tulip Garden will come up in Pithoragarh district of Uttarakhand state.

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Filed Under: Indian Geography
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Q:

I am a 5 letter word.

I am normally below you. If you remove my 1st letter, you'll find me above you. If you remove my 1st & 2nd letters, you can't see me.

What am I?

Answer

Firstly, I focussed on "If you remove my 1st & 2nd letters, you can't see me". The first thing that comes to mind which we can’t see is the "AIR".

So now, what 4 letter words can be formed ending with "AIR"? Think of all the words from A to Z, considering which one lies above you. That is how we get to "HAIR".

Now, which 5 letter word can be formed ending with "HAIR"? Starting with A to Z, we reach "CHAIR" and also, it lies below us.

And the required answer is "CHAIR".

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