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Q:

Which must be true for metamorphism to occur?

A) The grain size must become smaller B) The process must take place underwater
C) The parent rock must be in solid form D) The parent rock must be igneous
 
Answer & Explanation Answer: C) The parent rock must be in solid form

Explanation:

Metamorphism is the method of changing the structure of a rock by using heat and temperature.

Hence, for this to happen the parent rock must be in solid form only. Therefore, option C) is true.

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Filed Under: Physics
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Q:

Speed Maths Test

3 5 10 12 18 20 32 33 35 44 49 54 56 60

From the list above, how many pairs of numbers have a difference of 12?

Answer

From the given list of numbers, by observing


Only 3 pairs of numbers have the difference of 12.


They are 


20 - 32


44 - 32


44 - 56.

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Subject: Arithmetical Reasoning Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

The ore which is found in abundance in India is

A) fluorspar B) magnetite
C) monazite D) bauxite
 
Answer & Explanation Answer: C) monazite

Explanation:

The ore which is found in abundance in India is monazite.

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Filed Under: Chemistry
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Q:

The perimeter of a rectangle whose length is 6 metre more than its breadth is 84 metre. What is the area of the triangle whose base is equal to the diagonal of the rectangle and height is equal to the length of the rectangle?

A) 360sq metre B) 380 sq metre
C) 360 metre D) 400 sq metre
 
Answer & Explanation Answer: A) 360sq metre

Explanation:

Let the breadth of rectangle be x m.

Then, the length of rectangle = (x+ 6) m

Perimeter of rectangle = 2 (x+x+ 6) m

Therefore, 2 (x+x+ 6) = 84 m

4x+ 12 = 84

4x= 84 –12
4x = 72/4 = 18
Therefore, length of rectangle = 18 + 6 = 24 m = height of triangle

Diagonal of rectangle = √(324+576) = 30 m = base of triangle

Therefore, are of triangle =1/2× base × height =1/2× 24 × 30 = 360 sq. m

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Filed Under: Area
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Q:

1 Mole of CO2 mass is

A) 32 gms B) 44 gms
C) 16 gms D) 12 gms
 
Answer & Explanation Answer: B) 44 gms

Explanation:

We know that,

Mass of Carbon = 12 gms

Mass of Oxygen = 16 gms = O2 => 16 * 2 = 32 gms

=> Mass of 1 mole of CO2 = 12 + 32 = 44 gms.

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Filed Under: Chemistry
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Q:

What was the total time taken to write the Indian Constitution?

A) 2 years, 08 months & 18 days B) 2 years, 11 months & 18 days
C) 2 years, 09 months & 18 days D) 2 years, 10 months & 18 days
 
Answer & Explanation Answer: B) 2 years, 11 months & 18 days

Explanation:
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Filed Under: Indian Politics
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Q:

A solution that is hypotonic to a cell has

A) more water molecules surrounding the cell than inside the cell B) more water molecules inside the cell than outside the cell
C) equal water molecules inside and outside the cell D) None of the above
 
Answer & Explanation Answer: A) more water molecules surrounding the cell than inside the cell

Explanation:
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Filed Under: Chemistry
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Q:

When driving in reverse you should

A) Unbuckle your seat belt so you can reverse as quickly as possible B) Take care and never reverse for a greater distance and time than is necessary
C) Put your hazard warning lights on and perform the manoeuvre as quickly as possible to minimise danger D) Sound your horn to warn other drivers
 
Answer & Explanation Answer: B) Take care and never reverse for a greater distance and time than is necessary

Explanation:
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Filed Under: General Science
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