Questions

Q:

When is International Olympic Day observed?

A) 16th August B) 2nd February
C) 18th December D) 23rd June
 
Answer & Explanation Answer: D) 23rd June

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Q:

International yoga day is celebrated on which day?

A) 15th June B) 21st June
C) 28th June D) 1st June
 
Answer & Explanation Answer: B) 21st June

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Q:

Which of the following quadratic equations has real roots?

A) 4x2 - 7x + 5 = 0 B) 5x2 - 11x + 7 = 0
C) 5x2 - 11x + 8 = 0 D) 2x2 - 7x + 5 = 0
 
Answer & Explanation Answer: D) 2x2 - 7x + 5 = 0

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Q:

Who among the following discovered electron?

A) J.J Thomson B) Max Born
C) Antoine Lavoisier D) Mendeleef
 
Answer & Explanation Answer: A) J.J Thomson

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Filed Under: Inventions
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Q:

Who created the first mechanical computer, which proved to be the prototype for future computers?

A) Archimedes B) John Harrison
C) Cai Lun D) Charles Babbage
 
Answer & Explanation Answer: D) Charles Babbage

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Q:

Propagation of sound can be visualised as propagation of ____________ variations in the medium

A) elasticity B) viscosity
C) density D) porosity
 
Answer & Explanation Answer: C) density

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Filed Under: Physics

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Q:

Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds

A) 5.5 B) 1
C) 11 D) 0.5
 
Answer & Explanation Answer: D) 0.5

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Q:

_____ is the source of energy and materials in human beings.

A) Water B) Sunlight
C) Food D) Gas
 
Answer & Explanation Answer: C) Food

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Filed Under: General Science
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