Questions

Q:

Two circles touch each other internally. The radius of the larger circle is 6 cm and the distance between the centre is 2 cm, then the radius (in cms) of the other circle is

A) 8 B) 2
C) 4 D) 3
 
Answer & Explanation Answer: C) 4

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Q:

If sin 30° + cos 45° = X, then the value of X.

A) (2√2-√3)/2 B) 4/√3
C) (1-√3)/√3 D) (1+√2)/2
 
Answer & Explanation Answer: D) (1+√2)/2

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Q:

ΔPQR is right angled at Q. If cosecP = 25/24, then what is the value of cotR ?

A) 25/7 B) 24/25
C) 7/24 D) 24/7
 
Answer & Explanation Answer: D) 24/7

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Q:

A peace treaty between Japan and which country has not been concluded yet, even after 70 years have passed since the end of World War Two?

A) India B) Russia
C) China D) Canada
 
Answer & Explanation Answer: B) Russia

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Filed Under: World History
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Q:

Among the world oceans, which ocean is having the widest continental shelf ?

A) Antarctic ocean B) Arctic Ocean
C) Indian Ocean D) Atlantic ocean
 
Answer & Explanation Answer: B) Arctic Ocean

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Filed Under: World Geography
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Q:

Who invented bluetooth?

A) Kirkpatrick Macmillan B) Benjamin Franklin
C) Dr. Jaap Haartsen D) Charles Babbage
 
Answer & Explanation Answer: C) Dr. Jaap Haartsen

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Filed Under: Inventions
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Q:

Who among the following is not a Bharat Ratna recipient?

A) Bhimsen Joshi B) A.R. Rahman
C) Lata Mangeshkar D) M.S. Subbalakshmi
 
Answer & Explanation Answer: B) A.R. Rahman

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Filed Under: Honours and Awards
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Q:

The number of free electrons in the outermost shell of carbon atoms in diamand is

A) zero B) two
C) four D) three
 
Answer & Explanation Answer: A) zero

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Filed Under: Chemistry
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