Questions

Q:

Which one of the following laws explain the formation of carbon monoxide and carbon dioxide from carbon and oxygen

A) Laws of conservation of mass B) Laws of multiple proportion
C) Laws of reciprocal proportions D) Law of definite proportions
 
Answer & Explanation Answer: B) Laws of multiple proportion

Explanation:
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Q:

Metal present in chocolate wrappers is

A) Aluminium B) Haemoglobin
C) Chalk D) Chlorophyll
 
Answer & Explanation Answer: A) Aluminium

Explanation:

Metal Aluminium is present in chocolate wrappers.

metal_present_in_chocolate_wrappers1543390493.jpg image

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Filed Under: Chemistry
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Q:

The medieval Indian Muslim poet, historian and musician who called himself a parrot of India was

A) Mulla Daud B) Malik Muhammad Jayasi
C) Tansen D) Amir Khusrau
 
Answer & Explanation Answer: D) Amir Khusrau

Explanation:
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Filed Under: Indian History

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Q:

Diameter of a Ping Pong Ball?

A) 37 mm B) 38 mm
C) 40 mm D) 42 mm
 
Answer & Explanation Answer: C) 40 mm

Explanation:

The ball with which Table Tennis is played is called Ping Pong Ball.

According to the International rules, the diameter of the ping pong ball must be not less than 39.5 millimeters and not greater than 40.5  millimeters having a mass of 2.7 grams.

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Filed Under: Sports
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Q:

Special 3-D photographs which have been taken with laser beams (and which make the objects look real) are called what?

A) Holograms B) 3D special effects
C) Portraits D) DVD
 
Answer & Explanation Answer: A) Holograms

Explanation:
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Filed Under: General Science

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Q:

Train A, travelling at 84 kmph, overtook train B, traveling in the same direction, in 10 seconds. If train B had been traveling at twice its speed, then train A would have taken 22.5 seconds to overtake it. Find the length of train B, given that it is half the length of train A.

A) 180 m B) 100 m
C) 200 m D) 150 m
 
Answer & Explanation Answer:

Explanation:

Let speed of train B be x m/s And length of train B be y m
Then length of train A is 2y m
Speed of train A = 84 × 5/18 = 210/9 m/s = 70/3 m/s
A.T.Q, (2y+y)/10 = 70/3 − x .............(i)
and (2y+y)/ 22.5 = 70/3 − 2x ................(ii)
solving (i) and (ii), y = 50 m

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Q:

The compound MgCl2 is named

A) Magnesium Chloride B) Magnesium Chlorine
C) Magnesium Dichloride D) Dimagnesium Chloride
 
Answer & Explanation Answer: A) Magnesium Chloride

Explanation:

The compound MgCl2 is named as Magnesium Chloride.

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Q:

Which of the following bank has recently launches a special edition ' Cricket Credit Card' in association with IPL franchise Delhi Daredevils?

A) Yes Bank B) Federal Bank
C) Ratnakar Bank Limited D) Kotak Mahindra Bank
 
Answer & Explanation Answer: C) Ratnakar Bank Limited

Explanation:
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Filed Under: General Awareness

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