Questions

Q:

Who developed the theory of relativity?

A) Issac Newton B) Charles Darwin
C) Marie Curie D) Albert Einstein
 
Answer & Explanation Answer: D) Albert Einstein

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Filed Under: Inventions
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Q:

If tan(A/2) = x, then the value of x is

A) (1 - cosA)/sinA B) (1 + cosA)/sinA
C) √[(1 - cosA)/sinA] D) √[(1 + cosA)/sinA]
 
Answer & Explanation Answer: A) (1 - cosA)/sinA

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Q:

Breadth of a rectangle is equal to the diagonal of the square whose side is 2.5√2 cm. Ratio between length and breadth of rectangle is 3 : 1. Find the area of the rectangle (in cm2).

A) 75 B) 90
C) 85 D) 80
 
Answer & Explanation Answer: A) 75

Explanation:

Diagonal of Square = Side √2= 2.5√2 × √2= 5 cm
Breadth = 5 cm
Length of rectangle = 5 × 3 = 15 cm
Area of rectangle = 15 × 5 = 75 cm2

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Q:

Select the answer figure in which the question figure is hidden/embedded from the given options?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

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Q:

Which planet is known as red planet?

A) Mercury B) Pluto
C) Mars D) Venus
 
Answer & Explanation Answer: C) Mars

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Filed Under: General Science
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Q:

What is the source of natural energy of the hot springs at Manikaran in Himachal Pradesh ?

A) Geothermal Energy B) Biomass Energy
C) Thermal Energy D) Hydro Energy
 
Answer & Explanation Answer: A) Geothermal Energy

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Filed Under: General Science
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Q:

Which one of the following takes place during a nuclear fusion?

A) a heavy nucleus bombarded by neutrons breaks up B) a heavy nucleus breaks up spontaneously
C) two light nuclei combine to form a heavy nucleus D) a light nucleus breaks up spontaneously
 
Answer & Explanation Answer: C) two light nuclei combine to form a heavy nucleus

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Filed Under: Physics
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Q:

Which glass is used to make spectacles?

A) Crook's glass B) Potash glass
C) Jena glass D) Soda glass
 
Answer & Explanation Answer: A) Crook's glass

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Filed Under: Physics
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