Q:

Who invented the thermos flask?

A) Ray Tomlinson	B) Tim Berners-Lee
C) William Cullen	D) James Dewar

Answer & Explanation Answer: D) James Dewar

Explanation:

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Filed Under: Inventions
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Q:

Who Invented the 3-D printer?

A) Nick Holonyak	B) Elias Howe
C) Chuck Hull	D) Christiaan Huygens

Answer & Explanation Answer: C) Chuck Hull

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Filed Under: Inventions
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Q:

Who discovered the colour photography?

A) Robert Noyce	B) Enrico Fermi
C) John Logie Baird	D) James Clerk Maxwell

Answer & Explanation Answer: D) James Clerk Maxwell

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Q:

Who Invented Post-it note?

A) William Friese-Greene	B) Arthur Fry
C) Gordon Gould	D) Otto von Guericke

Answer & Explanation Answer: B) Arthur Fry

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Filed Under: Inventions
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Q:

A profit maximizing firm will

A) Use less of an input	B) Operates where marginal revenue equals marginal cost.
C) Increase in production	D) All of the above

Answer & Explanation Answer: D) All of the above

Explanation:

A firm maximizes profit by operating where marginal revenue equals marginal cost. They use less of an input in producing more products to increse their profits.

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

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Q:

Who wrote the book "Untouchable"?

A) Premchand	B) Sarojini Naidu
C) K Natwar Singh	D) Mulk Raj Anand

Answer & Explanation Answer: D) Mulk Raj Anand

Explanation:

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Filed Under: Books and Authors
Exam Prep: Bank Exams

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Q:

Subhas Chandra Bose was born in the year _____.

A) 1797	B) 1847
C) 1897	D) 1947

Answer & Explanation Answer: C) 1897

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Filed Under: Indian History
Exam Prep: Bank Exams

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Q:

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

One (A) / should keep (B) / his word. (C) / No Error (D)

A) A	B) B
C) C	D) D

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