Q:

Which of the following statement is true?

A) A Primary key is also a candidate key	B) Each relation has at least one foreign key
C) Foreign keys can't have null values	D) A Primary key is also an alternate key

Answer & Explanation Answer: A) A Primary key is also a candidate key

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Filed Under: Computer
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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:

Which film is India's official entry for the Academy awards?

A) Shakuntala devi	B) Jallikattu
C) Chhapaak	D) The Disciple

Answer & Explanation Answer: B) Jallikattu

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Filed Under: Honours and Awards
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Q:

Humayun (1530–1540 AD) was the ruler of which dynasty?

A) Nanda	B) Mughal
C) Maurya	D) Haryanka

Answer & Explanation Answer: B) Mughal

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Filed Under: Indian History
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Q:

In which city was Ariana Grande performing in when her concert was hit by a terrorist attack in May 2017?

A) Manchester	B) Birmingham
C) Liverpool	D) London

Answer & Explanation Answer: A) Manchester

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Filed Under: World Geography
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Q:

Which country won the ICC Under19 Cricket World Cup in 2016?

A) Australia	B) West Indies
C) Srilanka	D) South Africa

Answer & Explanation Answer: B) West Indies

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Filed Under: Sports
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Q:

Ammonium nitrate, on thermal decomposition, produces :

A) NH3 and NO2	B) NH3 and NO
C) N2 and H2O	D) N2O and H2O

Answer & Explanation Answer: D) N2O and H2O

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Filed Under: Chemistry
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Q:

The credit for classifying the elements on the basis of their atomic masses goes to

A) John Dalton	B) John Alexander Reina Newlands
C) Dmitri Mendeleev	D) Johann Wolfgang Dobereiner

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