Questions

Q:

If a body is moving on a circular path, what is its average velocity if it completes one cycle in one second?

A) Average velocity depends upon time taken to complete one cycle B) One
C) Average velocity is same as average speed D) Zero
 
Answer & Explanation Answer: D) Zero

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Q:

In nuclear reactor, cadmium rods are used as which of the following?

A) Fuel B) Moderator  
C) Controller   D) Lubricant
 
Answer & Explanation Answer: C) Controller  

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Q:

An earthquake of magnitude 6 on Richter scale has ______________ times more destructive energy than an earthquake of magnitude 4.

A) ten B) hundred
C) five D) thousand
 
Answer & Explanation Answer: D) thousand

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Q:

A wooden block of mass m1 kg accelerates at m/s when a force of 5 N acts on it. Another block of mass m2 kg accelerates at 20 m/s when the same force acts on it. If both the blocks are tied together and the same force acts on their combination, the acceleration will be about

 

A) 6.67 m/s2 B) 1.67 m/s2
C) 5.67 m/s2 D) 4.67 m/s2
 
Answer & Explanation Answer: A) 6.67 m/s2

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Q:

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

 

wide in range or effect

 

A) sweeping B) exaggerate
C) exclusive D) superficial
 
Answer & Explanation Answer: A) sweeping

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Q:

Which Indian city is known as 'The City of Pearls' as once it was the only global center of large diamonds and natural pearls made?

A) Hyderabad B) Jodhpur
C) Amdavad (Ahmedabad) D) Chennai
 
Answer & Explanation Answer: A) Hyderabad

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Q:

Who among the following has won the World Rapid Chess Championship 2017 in Riyadh, Saudi Arabia?

A) Krishanan Anand B) Viswanathan Anand
C) Vladimir Fedoseev D) Veselin Topalov
 
Answer & Explanation Answer: B) Viswanathan Anand

Explanation:

Indian Grandmaster Viswananthan Anand (48 year) has won the World Rapid Chess Championship 2017 in Riyadh, Saudi Arabia. He remained unbeaten throughout the tournament and bags the top position on a tie-break after three-way tie with Vladimir Fedoseev.Note: World Rapid Chess Championship is a tournament to determine the World Champion in Chess played under rapid time controls.

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Q:

Who was the first to measure the circumference of earth?

A) Erechtheus B) Aegeus
C) Eratosthenes D) Apheidas
 
Answer & Explanation Answer: C) Eratosthenes

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