Q:

Sound travels fastest in

A) Vacuum	B) Air
C) Glass	D) Water

Answer & Explanation Answer: C) Glass

Explanation:

Sound is a mechanical vibration and needs a medium for propagation. The higher the density of the medium, the faster the sound travels. So, sound cannot travel through vacuum.

As the sound travels faster in solids than liquids and gases, sound travels faster in the glass than Air and water.

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Q:

Who has been appointed as the deputy director-general of World Health Organization (WHO) ?

A) Dr. Soumya Swaminathan	B) Rajat Nandan
C) prof. Dr. Vikash Jha	D) Sunil Narayan

Answer & Explanation Answer: A) Dr. Soumya Swaminathan

Explanation:

The World Health Organization is a specialized agency of the United Nations that is concerned with international public health. It was established on 7 April 1948, Headquartered in Geneva, Switzerland.

Dr Soumya Swaminathan has been appointed the deputy director general for programmes (DDP) of World Health Organisation (WHO). She also holds a key position as secretary in the department of health research, ministry of health and family welfare.

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Q:

A person who insists on something

A) Instantaneous	B) Boaster
C) Stickler	D) Disciplinarian

Answer & Explanation Answer: C) Stickler

Explanation:

A person who insists on something unyieldingly is called a Stickler.

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Q:

As per new revised rules now Foreign Direct Investment in insurance sector is possible upto the limit of ______

A) 26%	B) 40%
C) 49%	D) 70%

Answer & Explanation Answer: C) 49%

Explanation:

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Q:

Which American artist's most famous portrait is that of his mother?

A) Rembrant	B) Whistler
C) Vincent Van Gough	D) Salava dor Dali

Answer & Explanation Answer: B) Whistler

Explanation:

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Q:

Which of these national parks has the world's largest population of the Indian one horned Rhino ?

A) Mrugavani national park	B) Kajiranga national park
C) Manas national park	D) Gir national park

Answer & Explanation Answer: B) Kajiranga national park

Explanation:

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Q:

Which day is declared as " International Day of Sport for Development and Peace (IDSDP) " by the UN General Assembly ?

A) 5th April	B) 6th April
C) 7th April	D) 8th April

Answer & Explanation Answer: B) 6th April

Explanation:

6 April was declared as the International Day of Sport for Development and Peace (IDSDP) by the UN General Assembly. On the occasion of the 2017 International Day of Sport for Development and Peace (IDSDP), the United Nations Office on Sport for Development and Peace (UNOSDP) launches the digital campaign #WePlayTogether to encourage organizations and individuals.

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Q:

where did M.S.Dhoni make his ODI debut

A) chittagong	B) dhaka
C) Hyderabad	D) Vishakapatnam

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