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Q:

An incident ray strikes a plane mirror at an angle of 20 deg with the mirror. The angle between the incident ray and reflected ray is ____.

 

A) 140 deg B) 40 deg
C) 50 deg D) 20 deg
 
Answer & Explanation Answer: A) 140 deg

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Filed Under: Physics
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Q:

When a bullet is fired from a gun, the gun moves in the opposite direction. This illustrates Newton's

A) third law of motion B) first and second law of motion
C) first law of motion D) second law of motion
 
Answer & Explanation Answer: A) third law of motion

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Q:

On dividing a certain number by 342 we get 47 as remainder. If the same number is divided by 18, what will be the remainder ?

A) 15 B) 11
C) 17 D) 13
 
Answer & Explanation Answer: B) 11

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Filed Under: Problems on Numbers
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Q:

For triangle ABC, find equation of median AD if co­ordinates of points A, B and C are (2,­4), (3,0) and (5,­2) respectively?

A) 3x ­- 2y = 14 B) 3x -­ 2y = 2
C) 3x + 2y = 14 D) 3x + 2y = 2
 
Answer & Explanation Answer: A) 3x ­- 2y = 14

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Filed Under: Simplification
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Q:

Cannis Familiaris is the scientific name of

A) Cat B) Dog
C) Fox D) Wolf
 
Answer & Explanation Answer: B) Dog

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Filed Under: General Science
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Q:

If a mirror is placed on the line MN, then which is the right image of the given figure?

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

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Filed Under: Image Analysis
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Q:

Who among the following is a renowned campaigner against manual scavenging who was recently conferred with the prestigious Magsaysay award?

A) T.M. Krishna B) Bezwada Wilson
C) Anshu Gupta D) Sanjiv Chaturvedi
 
Answer & Explanation Answer: B) Bezwada Wilson

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Filed Under: Honours and Awards
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Q:

A rectangle with one side 4 cm is inscribed in a circle of radius 2.5 cm. The area of the rectangle in sq.cm is:

A) 8 B) 16
C) 12 D) 6
 
Answer & Explanation Answer: C) 12

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