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GATE Questions

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Q:

Which molecule is nonpolar and has a symmetrical shape?

A) NH3 B) HCl
C) H2O D) CH4
 
Answer & Explanation Answer: D) CH4

Explanation:

Among the given options, CH4 is a non polar molecule with symmetrical tetrahedral shape.

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Filed Under: Chemistry
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Q:

Which RNA base pairs with the adenine in DNA?

A) Thymine B) Cytosine
C) Both A & B D) Uracil
 
Answer & Explanation Answer: D) Uracil

Explanation:

In DNA, adenine pairs with Thymine. Similarly, in RNA, due to absence of thymine in RNA and the same structure with uracil helps to pair with adenine.

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Filed Under: Biology
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Q:

The more there is the less you see. What is that?

Answer

It is Darkness.


If it is more darkness outside, we can see less in that.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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1 2191
Q:

Cost price of a pen is 50 Rs. and that of notebook is 140 Rs. If pen is sold at 200% profit, then to purchase 10 such note books how many pens are required to sell if only profit money is used to buy notebooks?

A) 14 B) 18
C) 15 D) 20
 
Answer & Explanation Answer: A) 14

Explanation:

C.P. of 10 note books ⇒ 140 × 10 = 1400 Rs.
Profit on selling one pen ⇒ 50×200/100 = Rs 100
Number of pen required ⇒ 1400/100 = 14

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

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Q:

The economy of the gilded age was characterized by

A) industry B) medicine
C) automobiles D) None of the above
 
Answer & Explanation Answer: A) industry

Explanation:

The economy of the gilded age was characterized by growth in industry.

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Filed Under: Indian History
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Q:

In what year was pluto devoted to a draft planet?

A) 2005 B) 2006
C) 2008 D) 2009
 
Answer & Explanation Answer: B) 2006

Explanation:

In 2006, pluto devoted to a draft planet.

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Filed Under: General Science
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Q:

Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.

A) Immense B) Imense
C) Immiense D) Imminse
 
Answer & Explanation Answer: A) Immense

Explanation:
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Filed Under: English
Exam Prep: GATE , GRE , TOEFL

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Q:

Which characteristic is a property of molecular substances?

A) good heat conductivity B) high melting point
C) good heat conductivity D) low melting point
 
Answer & Explanation Answer: D) low melting point

Explanation:

The substances in which two or more atoms are attached together are called as molecular substances. 

 

Properties of molecular substances ::

 

1. Molecular substances are bonded with covalent bonds

2. Bad heat conductivity

3. Bad electrical conductivity

4. Have low melting points.

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Filed Under: Chemistry
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