Questions

Q:

In November 2017, scientists introduced fully functional artificial muscle to recover damages of ______.

 

A) Heart B) Lungs
C) Kidney D) Liver
 
Answer & Explanation Answer: A) Heart

Explanation:
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Filed Under: Biology
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1 12910
Q:

What is ‘INS Karanj’, with reference to Indian Defence?

 

A) Scorpene submarine   B) Supersonic cruise missile
C) Anti-tank guided missile D) Military Tank
 
Answer & Explanation Answer: A) Scorpene submarine  

Explanation:
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Filed Under: General Awareness
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2 12909
Q:

Underground water and the water on the earth's surface is called ________________

 

A) hydrosphere B) biosphere
C) lithosphere D) thermosphere
 
Answer & Explanation Answer: A) hydrosphere

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Filed Under: General Science
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1 12906
Q:

Rearrange the parts of the sentence in correct order

Every government wants

P-­all, they have so many votes
Q­-to shower favours on
R­-farmers; after

 

A) RQP B) RPQ
C) PRQ D) QRP
 
Answer & Explanation Answer: D) QRP

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Filed Under: English
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Q:

The core of an electromagnet is made of soft iron because soft iron has 

A) small susceptibility and small retentivity B) large susceptibility and small retentivity
C) large density and large retentivity D) small density and large retentivity
 
Answer & Explanation Answer: B) large susceptibility and small retentivity

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Q:

The base of an electric iron is brightly polished mainly

A) to make it smooth and frictionless B) to make it rust-proof
C) to reduce heat loss by radiation D) to make it more durable
 
Answer & Explanation Answer: C) to reduce heat loss by radiation

Explanation:

Polished surfaces are poor radiators of heat. So loss of heat on that account is reduced and the electric iron remains hotter than otherwise.

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Filed Under: Physics

44 12887
Q:

If a sum of money at simple interest doubles in 6 years, it will become  4 times in

A) 15years B) 16years
C) 17years D) 18years
 
Answer & Explanation Answer: D) 18years

Explanation:

 

 

 

 

 

 

let sum =x . s.i.=x

 

 

 

rate =(100*x)/(x*6)=50/3%

 

 

 

now ,sum =x, s.i= 3x, rate =50/3%

 

 

 

time =(100*3x)/(x*50/3) = 18 years

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11 12878
Q:

What value should come in place of the question mark (?) in the following question?

52x14+145018=1998÷?

A) 18.25 B) 19.98
C) 34.58 D) 65.25
 
Answer & Explanation Answer: B) 19.98

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