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GATE Questions

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Q:

Which of the following is a renewable resource of energy?

A) Hydrogen fuel B) Wind energy
C) Solar energy D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.

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Filed Under: Physics
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Q:

Unemployment would cause an economy to

A) produce outside its production possibilities frontier B) produce inside it's production possibilities frontier
C) produce on it's production possibilites frontier D) All of the above
 
Answer & Explanation Answer: B) produce inside it's production possibilities frontier

Explanation:
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Filed Under: Indian Economy
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Q:

The ratio of volume of a cone to that of a cylinder if cylinder radius is reduced by 4 times and its height increased by 8 times of that of the cone, is - 

A) 3:2 B) 2:3
C) 5:7 D) 7:5
 
Answer & Explanation Answer: B) 2:3

Explanation:

Ans. Let radius of the base and height of the cone be ‘r’ & ‘h’ respectively.

Then volume of cone = πr2h/3 For cylinder, radius is reduced by 4 times = r/4 And,  height is increased by 8 folds = 8h Volume of cylinder = πR2H = π(r/4)2 (8h) = (16/8)πr2h = πr2h/2 Ratio of volume of cone to volume of cylinder = (πr2h/3) : (πr2h/2) Or, Ratio = 2 : 3.

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

Which waves cannot be transmitted through vacuum?

A) Electromagnetic B) Light
C) Sound D) Heat
 
Answer & Explanation Answer: C) Sound

Explanation:

Sound waves cannot be transmitted through vacuum. 

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Filed Under: Physics
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Q:

Find the missing number in the following series.
27, 29, 33, ?, 57

A) 30 B) 41
C) 40 D) 35
 
Answer & Explanation Answer: B) 41

Explanation:
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Filed Under: Number Series
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Q:

Find the current (in A) when a charge of 1200C flows in 6 seconds.

A) 7200 B) 200
C) 100 D) 3600
 
Answer & Explanation Answer: B) 200

Explanation:
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Filed Under: Physics
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Q:

Siachen is a

A) frontier zone between India and Myanmar B) desert frontier zone between India and Pakistan
C) glacier frontier zone between India and Pakistan D) frontier zone between China and India
 
Answer & Explanation Answer: C) glacier frontier zone between India and Pakistan

Explanation:

Siachen is a glacier frontier zone between India and Pakistan.

Siachen_is_a1554289418.jpg image

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Filed Under: Indian Geography
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Q:

A word i know, six letters it contains, subtract just one and twelve remains. What is it?

Answer

DOZENS.


If we remove 'S' from it, it is DOZEN which tells that 12.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE
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