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Q:

The world's highest rail bridge being constructed in the state of J & K will be on which of the following rivers ?

A) Jhelum B) Chenab
C) Indus D) Ravi
 
Answer & Explanation Answer: B) Chenab

Explanation:
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Filed Under: Indian Geography

Q:

Seacoast of which of the following states is the longest ?

A) Andhra Pradesh B) Maharashtra
C) Orissa D) Tamil Nadu
 
Answer & Explanation Answer: A) Andhra Pradesh

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Filed Under: Indian Geography

Q:

Which is the second most abundant metal in the earth's crust ?

A) Iron B) Aluminium
C) Copper D) Zinc
 
Answer & Explanation Answer: A) Iron

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Filed Under: World Geography

Q:

In the structure of Planet Earth, below the mantle, the core is mainly made up of which one of the following ?

A) Aluminium B) Chromium
C) Iron D) Silicon
 
Answer & Explanation Answer: C) Iron

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Filed Under: World Geography

Q:

The earth is at its maximum distance from the Sun on :

A) January 30th B) December 22nd
C) September 22nd D) July 4th
 
Answer & Explanation Answer: D) July 4th

Explanation:
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Filed Under: World Geography

Q:

In what proportion water must be added to spirit to gain 20% by selling it at the cost price ?

Answer

Let the C.P of spirit be = Rs.10 per litre


Then S.P l litre of the mixture = Rs. 11


Profit = 20%


 


Therefore, C.P of the mixture = Rs. 100120×10 = Rs. 25/3 per litre


 



 Therefore, Ratio of water and spirit = 1 : 5

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Subject: Alligation or Mixture

Q:

A man travelled a distance of 80 km in 7 hours partly on foot at the rate of 8 km per hour and partly on bicycle at 16 km /hr. Find the distance travelled on foot ?

Answer

Let the Journey on foot be x km


Journey on cycle = (80 – x) km


∴x8+80-x16= 7 


=> x = 32km


Therefore,  Distance covered on foot in 4 hrs = ( 4 x 8) = 32 km

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Subject: Alligation or Mixture

Q:

In what ratio should two varieties of sugar at Rs.18 per kg and Rs.24 Kg be mixed together to get a mixture whose cost is Rs.20 per kg ?

Answer


= 4 : 2 = 2 : 1


Thus, the two varieties should be mixed in the ratio 2 : 1

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Subject: Alligation or Mixture