Questions

Q:

813  967  429  295  648

If the positions of the second and third digits in each of the numbers are interchanged , which of the following will be the sum of the sum of the three digits of the highest number?

A) 12 B) 15
C) 16 D) 22
 
Answer & Explanation Answer: D) 22

Explanation:
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Filed Under: Verbal Reasoning - Mental Ability
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Q:

When you save to this, your data will remain intact even when the computer is turned off ____

A) RAM B) Mother board
C) Secondary storage device D) Primary storage device
 
Answer & Explanation Answer: C) Secondary storage device

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Filed Under: Computer
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24 12864
Q:

Which substance is produced when alcohol is added with petrol and used as a fuel?

 

A) Only oxygen B) Only carbon-dioxide
C) Only water D) Carbon-dioxide and water both
 
Answer & Explanation Answer: B) Only carbon-dioxide

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Filed Under: Chemistry
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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 12859
Q:

Find the work done (in J) when a charge of 20 C moves across a potential difference of 4 V.

 

 

A) 5 B) 40
C) 80 D) 10
 
Answer & Explanation Answer: C) 80

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Filed Under: Physics
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Q:

Who has become the first Indian woman to scale Mount Everest for the fourth time  ? 

A) Anshu Jamsenpa B) Dickey Dolma
C) Lhakpa Sherpa D) Malavath Purna
 
Answer & Explanation Answer: A) Anshu Jamsenpa

Explanation:

Anshu Jamsenpa, the Indian mountaineer from Arunachal Pradesh, has scripted history by becoming the first Indian woman to scale the Mount Everest for the fourth time. She will attempt a double ascent to the world’s highest peak to make it a total five successful climbs. If she is successful with her double ascent this time, Ms Jamsenpa will set a record five climbs of Mt Everest.

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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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Filed Under: Physics

75 12849
Q:

Which is released during the formation of a peptide bond?

 

 

A) an amino group B) a five-carbon sugar
C) both 1 and 2 D) a water molecule
 
Answer & Explanation Answer: D) a water molecule

Explanation:
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