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Q:

If price of an article decreases from Rs 80 to Rs 60, quantity demanded increases from 600 units to 750 units. Find point elasticity of demand?

A) -1 B) 1
C) -1.25 D) 1.25
 
Answer & Explanation Answer: A) -1

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Filed Under: Indian Economy
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Q:

Which one of the following is lyophilic colloid?

A) Gold sol B) Smoke
C) Cloud D) Starch aqueous solution
 
Answer & Explanation Answer: D) Starch aqueous solution

Explanation:

Starch aqueous solution is a lyophilic colloidal solution.

 

Lyophilic colloids are liquid loving colloids.  When these colloids are mixed with suitable liquid high force of attraction exists between colloidal particles and liquid.

 

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Q:

Which of the following has open vascular system?

A) Cockroach B) Human
C) Rat D) Birds
 
Answer & Explanation Answer: A) Cockroach

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Filed Under: Biology
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Q:

Which answer figure will complete the pattern?

A) X B) W
C) V D) U
 
Answer & Explanation Answer: D) U

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Q:

Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is

A) F/25 B) 5F
C) F/5 D) 25F
 
Answer & Explanation Answer: D) 25F

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Filed Under: Physics
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Q:

A 5 kg object is raised through a height of 4 m. The work done by the force of gravity acting on the object is (take g = 10 m/s2)

 

A) 200j B) 20j
C) -20j D) -200j
 
Answer & Explanation Answer: D) -200j

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Q:

How many constellations have been named?

A) 88 B) 99
C) 90 D) 87
 
Answer & Explanation Answer: A) 88

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Filed Under: General Science
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Q:

As per historical astronomy there are ___ zodiac divisions.

A) 9 B) 10
C) 11 D) 12
 
Answer & Explanation Answer: D) 12

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Filed Under: General Science
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