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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

1 2135
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
Job Role: Bank Clerk , Bank PO

1 2134
Q:

What can you hear but not touch or see?

Answer

The sound is what can you hear but not touch or see.

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Subject: Word Puzzles Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

2 2132
Q:

Government is to set to introduce new Rs. 100 coin with image of former PM

A) Jawaharlal Nehru B) Indhira Gandhi
C) Atal Bihari Vajpayee D) Rajiv Gandhi
 
Answer & Explanation Answer: C) Atal Bihari Vajpayee

Explanation:

Government is to set to introduce new Rs. 100 coin with image of former Prime Minister Atal Bihari Vajpayee.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

1 2131
Q:

Lens is made up of

A) Pyrex glass B) Flint glass
C) Ordinary glass D) Cobalt glass
 
Answer & Explanation Answer: B) Flint glass

Explanation:

Lens is made up of Flint glass.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

2 2130
Q:

Liquid sodium is being considered as

A) engine coolant B) bleaching agent
C) antiseptic D) None of the above
 
Answer & Explanation Answer: A) engine coolant

Explanation:

Liquid sodium is being considered as engine coolant.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

2 2128
Q:

I go around and in the house but never touches the house. What am I?

Answer

The sun moves around and in the house, but cannot touch the house.

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Subject: Word Puzzles Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

0 2125
Q:

In the given figure, how many students study only 2 subjects?

A) 11 B) 23
C) 12 D) 40
 
Answer & Explanation Answer: B) 23

Explanation:
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Filed Under: Logical Venn Diagram
Exam Prep: AIEEE , Bank Exams , CAT , GATE

4 2125