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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
Exam Prep: AIEEE , Bank Exams , GATE

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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
Exam Prep: AIEEE , Bank Exams , CAT , GATE

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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
Exam Prep: Bank Exams , GATE
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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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Q:

The bar graph shows the number of employees working in the different departments of a company. Study the diagram and answer the following questions

Which department has the lowest number of employees?

A) C B) D
C) A D) B
 
Answer & Explanation Answer: B) D

Explanation:
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Filed Under: Quantitative Aptitude - Data Interpretation
Exam Prep: Bank Exams , GATE
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Q:

Prabhat has done 1/2 of a job in 12 days. Santosh completes the rest of the job in 6 days. In how many days can they together do the job?

A) 12 days B) 4 days
C) 8 days D) 16 days
 
Answer & Explanation Answer: C) 8 days

Explanation:
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Filed Under: Time and Work
Exam Prep: AIEEE , Bank Exams , CAT , GATE

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