Q:

Who invented fuel cells in 1839?

A) Buckminster Fuller	B) Sir William Grove
C) Sylvester Graham	D) Joyce Hall

Answer & Explanation Answer: B) Sir William Grove

Explanation:

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Filed Under: Inventions

11 6086

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 6086

Q:

The first speaker of the Lok Sabha was

A) GV Mavlankar	B) Hukum Singh
C) MA Ayyangar	D) GS Dhillon

Answer & Explanation Answer: A) GV Mavlankar

Explanation:

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Filed Under: Indian Politics

22 6086

Q:

Although glory but not at my best. Power will fall to me when the man who made me dies. What am I?

Answer

PRINCE.

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

20 6084

Q:

Solve this logical Math puzzle?

logical_thinking_puzzle1536132282.jpg image

Answer

Let that something be 'x'

From the given data,

x + x/5 = 21

5x + x/5 = 21

6x = 21 x 5

=> x = 17.5

Hence, that something is x = 17.5.

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

8 6084

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 6080

Q:

Which compound forms a colored aqueous solution?

A) CrCl3	B) KBr
C) CaCl2	D) NaOH

Answer & Explanation Answer: A) CrCl3

Explanation:

Colored aqueous solutions are a characteristic of transition compounds.

The only transition compound in the above choices is CrCl3.

Cr is a transition element.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst

5 6078

Q:

In which country 'The SolarWinds hack', a cyber attack was recently discovered?

A) China	B) Russia
C) US	D) Japan

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