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Q:

Which technology is used in compact disc or disks?

A) Laser B) Mechanical
C) Electrical D) Electro magnetic
 
Answer & Explanation Answer: A) Laser

Explanation:

                                    Which_technology_is_used_in_compact_disc_or_disks1538026052.jpg image

Compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony and released in 1982. 

These are actually made to replace floppy disks that were used to store files and programs from the computer.

 

The format was originally developed to store and play only sound recordings but was later adapted for storage of data (CD-ROM).ese CD's uses Laser technology.

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Filed Under: Computer
Exam Prep: GATE , CAT , Bank Exams , AIEEE
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5 4685
Q:

In which year was "Jana Gana Mana" adopted as the National Anthem  ?

A) 1947 B) 1949
C) 1951 D) 1950
 
Answer & Explanation Answer: D) 1950

Explanation:

1950

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Filed Under: Indian Politics
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

10 4682
Q:

On selling 17 balls at Rs.720 there is a loss equal to the cost price of 5 balls. Then what is the cost price of a ball is ?

Answer

From given data,


(C.P. of 17 balls) - (S.P. of 17 balls) = (C.P. of 5 balls)


C.P. of 12 balls = S.P. of 17 balls = Rs.720.


Hence, C.P. of 1 ball = Rs.720/12 = Rs. 60.

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Subject: Profit and Loss Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Bank Clerk , Bank PO

11 4681
Q:

As per the policies of the Government of India any proposal for FDI in single brand retail should not be above line of ___

A) 33% B) 43%
C) 48% D) 51%
 
Answer & Explanation Answer: D) 51%

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams
Job Role: Bank PO

13 4681
Q:

Simplify: b-[b-(a+b)-{b-(b-a-b)}+2a]

A) 2b B) 1
C) 0 D) 3b
 
Answer & Explanation Answer: C) 0

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

14 4681
Q:

Consider the given argument and decide which of the given assumptions is/are implicit.

Argument :
All girls love reading novels.

Assumptions :
1. Novels are the only reading materials.
2. No girl loves to read other materials.

 

A) Both assumptions 1 and 2 are implicit B) Only assumption 1 is implicit
C) Neither assumption 1 nor 2 is implicit D) Only assumption 2is implicit
 
Answer & Explanation Answer: C) Neither assumption 1 nor 2 is implicit

Explanation:
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Filed Under: Statement and Assumptions
Exam Prep: Bank Exams

2 4679
Q:

Ecology deals with the study of

A) Environment B) Birds
C) Organisms and their Environment D) Living beings
 
Answer & Explanation Answer: C) Organisms and their Environment

Explanation:

ecology_deals_with_the_study_of1553078201.png image

Ecology is the branch of science which deals with the study of Ecosystem (relation between the Organisms and their Environment.)

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Filed Under: General Science
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16 4678
Q:

The ability to do work is called Energy.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Yes, the ability to do work is called Energy is True.

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Subject: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
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4 4677