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Q:

Who is the inventor of  printing press?

A) Johann Gutenberg B) William Lee
C) George Eastman D) R.W Thomson
 
Answer & Explanation Answer: A) Johann Gutenberg

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Filed Under: Inventions

1 3825
Q:

Shovna Narayan is a reputed personality in which of the following fields

A) Social Service B) Trade Unionism
C) Journalism D) Politics
 
Answer & Explanation Answer: C) Journalism

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Filed Under: Famous Personalities

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Q:

The vitamin required for coagulation of blood

A) B6 B) c
C) k D) b
 
Answer & Explanation Answer: C) k

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Filed Under: Biology

8 3824
Q:

A gas is found to have the formula . Its vapour density is 70.The value of n must be

A) 5 B) 4
C) 9 D) 6
 
Answer & Explanation Answer: A) 5

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Filed Under: Chemistry

3 3823
Q:

___ is the number of shells for elements of the 3rd period.

 

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

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 3822
Q:

Speed of laser printer is measured in

A) PPM B) CPM
C) LPM D) DPI
 
Answer & Explanation Answer: A) PPM

Explanation:

Now a days, printers we are using are called as laser printers. The speed of a laser printer is measured in PPM i.e, Pages Per Minute. 

 

speed_of_laser_printer_is_measured_in1553490856.jpg image

Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a "drum" to define a differentially charged image.

 

Compared to inkjet printers which use ink for printing laser printers are more expensive as they use toner which lasts for long.

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

2 3820
Q:

[(24)2+(27)2]÷? = 9.0625

A) 121 B) 144
C) 169 D) 81
 
Answer & Explanation Answer: B) 144

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams
Job Role: Bank PO

4 3819
Q:

What do you call elements with Atomic Number between 57 and 71?

Answer

'Rare earth'(They are all metals)

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Subject: General Science

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