Exams


Q:

There are two mixtures of honey and water in which the ratio of honey and water are as 1:3 and 3:1 respectively. Two litres are drawn from first mixture and 3 litres from second mixture, are mixed to form another mixture. What is the ratio of honey and water in it ?

A) 111:108 B) 11:9
C) 103:72 D) None
 
Answer & Explanation Answer: B) 11:9

Explanation:

From the given data,

 

The part of honey in the first mixture = 1/4

 

The part of honey in the second mixture = 3/4

 

Let the part of honey in the third mixture = x

 

Then,

 

1/4             3/4

 

           x

 

(3/4)-x     x-(1/4) 

 

Given from mixtures 1 & 2 the ratio of mixture taken out is 2 : 3

 

=> 34-xx-14=23

 

=> Solving we get the part of honey in the third mixture as 11/20

 

=> the remaining part of the mixture is water = 9/20

 

Hence, the ratio of the mixture of honey and water in the third mixture is 11 : 9 .

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Filed Under: Alligation or Mixture
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20 11363
Q:

Light from the sun reaches us in nearly

A) 5 min B) 4.30 hrs
C) 8 min D) 5.30 hrs
 
Answer & Explanation Answer: C) 8 min

Explanation:

The light from the sun takes about 8 minutes to reach the Earth after it has been emitted from the sun's surface.

 

The time it takes for light to reach planets in our Solar System varies from about 3 minutes for Mercury to about 5.3 hours for Pluto.

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Filed Under: Physics
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20 11355
Q:

Penny has 5 children, 1st is January, 2nd kid February, 3rd is called march , 4th is April. What is the name of the 5th.

Answer

Here If you notice the difference, There is no question mark (?) at the end of the puzzle.


In that case, "What" is the name of the 5th child.

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65 11354
Q:

Oldest Oil Field in India

A) Mumbai High, Maharashtra B) Anleshwar, Gujarat
C) Digboi, Assam D) None
 
Answer & Explanation Answer: C) Digboi, Assam

Explanation:

Digboi has the distinction of being India's oldest continuously producing oilfield. Digboi refinery, now a division of Indian Oil Corporation, had a capacity of about 0.65 MMTPA as of 2003. Digboi is now Headquarter of Assam Oil Division of Indian Oil Corporation Limited, though the crude production is not high today.

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27 11340
Q:

Orkut’s creator Buyukkokten has launched a new social network called ________, which is available on mobile only.

A) Caller B) Hello
C) Hi D) Hay
 
Answer & Explanation Answer: B) Hello

Explanation:

Orkut’s creator Buyukkokten has launched a new social network called Hello, which is available on mobile only. The Hello.com app is available on Android and iOS in the following countries: US, Canada, Britain, France, Australia, Brazil, Ireland. Germany, Mexico and India are next on the list and the app should be available this month.

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Filed Under: General Awareness
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9 11332
Q:

Twenty times a positive integer is less than its square by 96. What is the integer ?

A) 42 B) 36
C) 48 D) 24
 
Answer & Explanation Answer: D) 24

Explanation:

Let the integer be x. Then,

x2 - 20x = 96

(x + 4)(x - 24) = 0

x = 24

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Filed Under: Simplification
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12 11313
Q:

"Senses are the gateways of knowledge" was emphasised by

A) Gurunanak B) Rousseau
C) Confucius D) Mahaveera
 
Answer & Explanation Answer: B) Rousseau

Explanation:

The Five senses that we have are: Sight, smell, hear, touch and taste. Rousseau emphasised that "Senses are the gateways of knowledge".

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Filed Under: Famous Personalities
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16 11306
Q:

Which Noble Gas has the highest First Ionization Energy?

A) Neon B) Helium
C) Argon D) Xenon
 
Answer & Explanation Answer: B) Helium

Explanation:

Helium has the highest First Ionization Energy in the Noble Gases group.

Ionization Energy ::

Ionisation energy is the energy required to remove one mole of electrons from one mole of gaseous atoms. Atoms are more stable when they have full valence shells.

Noble Gases have a very stable electron configuration, therefore, they have the highest amount of ionization energy within their periods. It decreases down a family because electrons farther from the nucleus are easier to remove.

Ionization Energy levels of Noble Gases group in Descending Order :: He, Ne, Ar, Kr, Xe, Rn

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Filed Under: Chemistry
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20 11305