Q:

If price of an article decreases from P1 to Rs 25, quantity demanded increases from 900 units to 1200 units. If point elasticity of demand is 2 find P1?

A) Rs. 20	B) Rs. 30
C) Rs. 25	D) Rs. 35

Answer & Explanation Answer: B) Rs. 30

Explanation:

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Filed Under: Physics

6 3581

Q:

Stars are held together by

A) Gravitational forces	B) Electrical forces
C) Ionic forces	D) Magnetic forces

Answer & Explanation Answer: A) Gravitational forces

Explanation:

A star is a self luminous astronomical object and shines due to internal radiation from the enrgy sources. All stars are held together by their own gravity called Gravitational force.

Stars_are_held_together_by1560151249.jpg image

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Filed Under: Physics
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5 3579

Q:

When more than 20% of the body weight is due to fat, the person is suffering from

A) Marasmus	B) Kwashiorkor
C) Scurvy	D) Obesity

Answer & Explanation Answer: D) Obesity

Explanation:

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Filed Under: Biology

5 3579

Q:

Which of the following equations represents Photosynthesis?

A) 6CO2 + 6H2O -----> C6H12O6 + 6O2	B) C6H12O6 + 6O2 -----> CO2 + 6H2O
C) CO2 + H2O -----> C6H12O6 + 6O2	D) 6O2 + 6H2O -----> C6H12O6 + 6CO2

Answer & Explanation Answer: A) 6CO2 + 6H2O -----> C6H12O6 + 6O2

Explanation:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms activities.

Photosynthesis can be represented using a chemical equation.

The overall balanced equation is

$6 {CO}_{2} + 6 H_{2} O \overset{Sunlight}{\to} C_{6} H_{12} O_{6} + 6 O_{2} (S o u r c e o f C a r b o n & O x y g e n) + (S o u r c e o f E l e c t r o n s & H y d r o g e n) + E n e r g y t h a t d r i v e s P h o t o s y n t h e s i s - - - - > S u g a r + G a s p r o d u c e d b y s p l i t t i n g w a t e r .$

Where

CO2 = carbon dioxide

H2O = water

C6H12O6 = glucose

O2 = oxygen.

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Filed Under: Chemistry
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2 3579

Q:

The Black Box is a device used in an aircraft to

A) control the speed	B) detect any flaw in the engines
C) Record the flight data	D) maintain contact with the ground

Answer & Explanation Answer: C) Record the flight data

Explanation:

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Filed Under: General Awareness

0 3578

Q:

The first President of USA was

Answer

George Washington

Workspace

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Subject: World History

2 3578

Q:

The five permanent members of UN security council are

A) Japan, West Germany, USSR, UK and USA	B) Germany, China, USSR, UK and USA
C) Canada, China, France, USSR and USA	D) China, France, USSR, UK and USA

Answer & Explanation Answer: D) China, France, USSR, UK and USA

Explanation:

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Filed Under: World Organisations

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Q:

How long does a basketball game last?

A) 35 min	B) 55 min
C) 1 hr 15 min	D) 48 min

Answer & Explanation Answer: D) 48 min

Explanation:

A basketball game last for a total of 48 minutes which has 4 quarters of 12 minutes each excluding all timeouts, 15 min half time, fouls,...

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Filed Under: Sports
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