Questions

Q:

The angles of depression of two ships from the top of a light house are 45° and 30° toward east. If the ships are 200m apart, the height of the light house is (take √3=1.73)

A) 273m B) 270m
C) 253m D) 263m
 
Answer & Explanation Answer: A) 273m

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Q:

If 20 men working 8 hours per day can complete a piece of work in 21 days. How many hours per day must 48 men work to complete the same job in 7 days?

A) 12 B) 20
C) 10 D) 15
 
Answer & Explanation Answer: C) 10

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Q:

The point equidistant from the vertices of a triangle is called its

A) incentre B) circumcentre
C) orthocentre D) centroid
 
Answer & Explanation Answer: B) circumcentre

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Q:

Steam Engine was invented by?

A) Simon Stevin B) George Stephenson
C) Gary Starkweather D) Percy Spencer
 
Answer & Explanation Answer: B) George Stephenson

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Filed Under: Inventions
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Q:

Who invented the vacuum pump?

A) Otto von Guericke B) Cai Lun
C) Melitta Bentz D) William Henry Fox Talbot
 
Answer & Explanation Answer: A) Otto von Guericke

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Q:

Who discovered Antarctica?

A) James Cook B) Friedrich Miescher
C) George Crum D) Christopher Columbus
 
Answer & Explanation Answer: A) James Cook

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Filed Under: Famous Personalities
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Q:

Pandit Lachhu Maharaj, who passed away recently, was associated with

A) Flute B) Tabla
C) Kathak D) Bharatnatyam
 
Answer & Explanation Answer: B) Tabla

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Q:

In the following question, select the odd word from the given alternatives.

A) Lion B) Leopard
C) Snake D) Tiger
 
Answer & Explanation Answer: C) Snake

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