Q:

Sound waves cannot travel in

A) Vacuum	B) Water
C) Glass	D) Hydrogen gas

Answer & Explanation Answer: A) Vacuum

Explanation:

A Sound wave needs a medium for propogation. Hence, Sound cannot travel through a vacuum.

A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.

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Filed Under: Physics
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6 9568

Q:

Dicotyledonous weeds are destroyed by a chemical called

A) Indole - acetic acid	B) 2- 4 dichlorophenoxy acetic acid
C) Abscisic acid	D) Naphthalene acetic acid

Answer & Explanation Answer: B) 2- 4 dichlorophenoxy acetic acid

Explanation:

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Filed Under: Biology

68 9560

Q:

Which of the following carbon compounds is used as a fire- extinguisher?

A) Carbon disulphide	B) Chloroform
C) Carbon tetrachloride	D) Methyl ene chloride

Answer & Explanation Answer: C) Carbon tetrachloride

Explanation:

Vapour of carbon tetra chloride $(c c l_{4})$ is non-inflammable and is heavier than air. Hence it is used as a fire extinguisher under the trade name of pyrene.

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Filed Under: Chemistry

16 9558

Q:

Which is the largest City of Nepal?

A) Hetauda	B) Pokhara
C) Biratnagar	D) Kathmandu

Answer & Explanation Answer: D) Kathmandu

Explanation:

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Filed Under: Country Capitals
Exam Prep: Bank Exams

10 9552

Q:

How much water can be used by a camel in drinking in a single time ?

A) Up to 60 ltr.	B) Up to 80 ltr.
C) Up to 100 ltr.	D) Up to 120 ltr.

Answer & Explanation Answer: C) Up to 100 ltr.

Explanation:

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Filed Under: Animals and Birds

73 9549

Q:

Deccan Education Society was founded by

deccan_education_society_was_founded_by1553511683.jpg image

A) Bal Gangadhar Tilak	B) Jyotiba Phule
C) Firoz Shah Mehta	D) Gopal Ganesh Agarkar

Answer & Explanation Answer: A) Bal Gangadhar Tilak

Explanation:

Deccan education society is an organization which runs 43 education establishments in Maharastra, Pune founded by Bal Gangadhar Tilak.

Deccan_Education_Society_was_founded_by11553511766.jpg image

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Filed Under: Indian History
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8 9539

Q:

In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is

A) decreased by 2%	B) decreased by 4%
C) increased by 2%	D) increased by 4%

Answer & Explanation Answer: B) decreased by 4%

Explanation:

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Filed Under: Physics

22 9531

Q:

Who said 'Supply creates its own demand' ?

A) Marshall	B) Ricardo
C) Adam Smith	D) J. B. Say

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