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Q:

Which day is observed as Rashtriya Ekta Diwas every year in India?

A) 31st July B) 31st March
C) 31st January D) 31st October
 
Answer & Explanation Answer: D) 31st October

Explanation:
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Filed Under: Important Days and Years
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Q:

Which of these cities has one part of it is in Asia and other part in Europe ?

A) Moscow B) London
C) Istanbul D) Saint Peteresburg
 
Answer & Explanation Answer: C) Istanbul

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Filed Under: World History

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Q:

The only known ruler in the history of india to have fixed the prices of different commodities, rigidly enforced quality control and ensured easy availability of essential commodities was

A) lltutmish B) Alauddin Khalji
C) Raziya D) Gayasuddin Tughluq
 
Answer & Explanation Answer: B) Alauddin Khalji

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Filed Under: Indian History

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Q:

Instrument used to measure oxygen?

A) Aminometer B) Respirometer
C) Thaleometer D) Galiometer
 
Answer & Explanation Answer: B) Respirometer

Explanation:

A respirometer is a device used to measure the rate of respiration of a living organism by measuring its rate of exchange of oxygen and/or carbon dioxide.

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Filed Under: General Awareness
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Q:

A container contains 165 litres of milk. Some quantity of milk is taken out and half of that quantity of milk, water is added in the container. Now ratio of milk to water in the container becomes 5:3. What is the quantity of water added in it?

A) 40 litre B) 45 litre
C) 60 litre D) 30 litre
 
Answer & Explanation Answer: B) 45 litre

Explanation:

Let amount of milk removed = 2x litre
So, amount of water added = x litre
Now → (165 − 2x)/x = 5/3
x = 45 lit

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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Q:

The International Atomic Energy Agency was created under the aegis of the UN in

A) 1945 B) 1946
C) 1955 D) 1957
 
Answer & Explanation Answer: D) 1957

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Filed Under: World Organisations

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Q:

The carbon tetrachloride molecule (CCl4) is

A) a nonpolar molecule with polar bonds B) a nonpolar molecule with nonpolar bonds
C) a polar molecule with polar bonds D) a polar molecule with nonploar bonds
 
Answer & Explanation Answer: A) a nonpolar molecule with polar bonds

Explanation:

The four bonds of carbon tetrachloride (CCl4) are polar, but the molecule is nonpolar because the bond polarity is cancelled by the symmetric tetrahedral shape. Hence, making the net dipole as zero and molecule as non-polar.

 

When other atoms substitute for some of the Cl atoms, the symmetry is broken and the molecule becomes polar.

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Filed Under: Chemistry
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Q:

Pollen grains in plants are produced in

A) Flower B) Stem
C) Roots D) Leaves
 
Answer & Explanation Answer: A) Flower

Explanation:
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Filed Under: General Science
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