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Q:

When a steel ball is placed on the surface of mercury, it does not sink because

A) of the surface tension of mercury B) mercury is a semisolid
C) of the high viscosity of mercury D) the density of mercury is greater than that of steel
 
Answer & Explanation Answer: D) the density of mercury is greater than that of steel

Explanation:

A solid sinks in a liquid if its density is greater than that of the liquid. if less, it floats

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Filed Under: Physics

8 6002
Q:

What building has the most stories?

Answer

A Libraury. It has more number of story books in it to read.

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

5 6000
Q:

On which day ' National Science Day ' is celebrated in India ?

A) February 23 B) February 25
C) February 26 D) February 28
 
Answer & Explanation Answer: D) February 28

Explanation:

National Science Day is celebrated in India on 28 February each year to mark the discovery of the Raman effect by Indian physicist Sir Chandrashekhara Venkata Raman on 28 February 1928.

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Filed Under: Physics
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk

23 5996
Q:

Select the synonym of

 

pal

 

A) buddy B) lad
C) foe D) dude
 
Answer & Explanation Answer: A) buddy

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

0 5994
Q:

Computer software can be defined as

 

A) the interaction between the computer and its database B) an interface between the computer and the network
C) the computer and its associated equipment D) the instructions that tell the computer what to do
 
Answer & Explanation Answer: D) the instructions that tell the computer what to do

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

3 5993
Q:

Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be

A) 2 B) 6
C) 5 D) 3
 
Answer & Explanation Answer: B) 6

Explanation:

Number of spectral lines from a state n to ground state is

 

                   n(n-1)/2 = 6

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Filed Under: Physics
Exam Prep: AIEEE

11 5991
Q:

India’s first undersea tunnel is being constructed in which city?

 

A) Mumbai B) Cochin
C) Kolkata D) Hyderabad
 
Answer & Explanation Answer: A) Mumbai

Explanation:
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Filed Under: General Awareness
Exam Prep: Bank Exams

1 5990
Q:

The book “Indira Gandhi – A life in Nature”, authored by _____________.

A) Jairam Ramesh B) Anand Sharma
C) Ghulam Nabi Azad D) Chetan Bhagath
 
Answer & Explanation Answer: A) Jairam Ramesh

Explanation:

The book “Indira Gandhi – A life in Nature”, was launched by Congress president Sonia Gandhi at the Indira Gandhi Memorial in the presence of former ministers, bureaucrats and environmentalists who worked closely with her to frame some of country’s landmarks wildlife and environment laws. Renowned mountaineer Capt Manmohan Singh Kohli recalled how Gandhi once told him “please call me as a daughter of the mountains”. The book has been written by former Union minister Jairam Ramesh and it has been published by Simon & Schuster.

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Filed Under: Books and Authors
Exam Prep: Bank Exams
Job Role: Bank PO

11 5990