IIT JEE Practice Question and Answer

Q: What was the day of the week on 17th June, 1998 ? 5643 7

  • 1
    Monday
    Correct
    Wrong
  • 2
    Tuesday
    Correct
    Wrong
  • 3
    Wednesday
    Correct
    Wrong
  • 4
    Friday
    Correct
    Wrong
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Answer : 3. "Wednesday"
Explanation :

Answer: C) Wednesday Explanation: 17th June, 1998 = (1997 years + Period from 1.1.1998 to 17.6.1998)Odd days in 1600 years = 0Odd days in 300 years = 197 years has 24 leap years + 73 ordinary years.Number of odd days in 97 years ( 24 x 2 + 73) = 121 = 2 odd days.Jan. Feb. March. April. May. June.(31 + 28 + 31 + 30 + 31 + 17) = 168 days168 days = 24 weeks = 0 odd day.Total number of odd days = (0 + 1 + 2 + 0) = 3.Given day is Wednesday.

Q: Onion Eating Festival is celebrated in which country ? 5634 0

  • 1
    Sweden
    Correct
    Wrong
  • 2
    Thailand
    Correct
    Wrong
  • 3
    New Delhi
    Correct
    Wrong
  • 4
    Spain
    Correct
    Wrong
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Answer : 4. "Spain"
Explanation :

Answer: D) Spain Explanation: Sweden - Potato Festival Thailand - Vegetarian Festival New Delhi - International Mango Festival Spain - Onion Eating Festival

Q: Storage capacity of magnetic disk depends on 5615 2

  • 1
    disk pack in disk surface
    Correct
    Wrong
  • 2
    tracks per inch of surface
    Correct
    Wrong
  • 3
    bits per inch of tracks
    Correct
    Wrong
  • 4
    All of the above
    Correct
    Wrong
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Answer : 4. "All of the above"
Explanation :

Answer: D) All of the above Explanation: Magnetic disk is a kind of data storage device. Storage capacity of magnetic disk depends on  1. tracks per inch of surface 2. bits per inch of tracks 3. disk pack in disk surface   It can be shown as ::

Q: Grass : Erosion :: Dam : ? 5605 0

  • 1
    Water
    Correct
    Wrong
  • 2
    Freeze
    Correct
    Wrong
  • 3
    Current
    Correct
    Wrong
  • 4
    Rain
    Correct
    Wrong
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Answer : 1. "Water"
Explanation :

Answer: A) Water Explanation: Here Grass is to Erosion and whereas Dam is to Water. Since Grass prevents Erosion similarly Dam prevents Water flow.   Hence, Grass : Erosion :: Dam : Water.

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Answer : 1. "Both a and b follows"
Explanation :

Answer: A) Both a and b follows Explanation: Both are the right courses of action for effective implementation of Computer Education at primary level urban and rural schools.

Q: egg: fish : : ________ : plant 5587 0

  • 1
    seed
    Correct
    Wrong
  • 2
    stem
    Correct
    Wrong
  • 3
    root
    Correct
    Wrong
  • 4
    leaf
    Correct
    Wrong
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Answer : 1. "seed"
Explanation :

Answer: A) seed Explanation: Fish is from eggs whereas plant is from seeds.

Q: Second Ozone Hole was detected over 5580 0

  • 1
    Tibet
    Correct
    Wrong
  • 2
    Sweden
    Correct
    Wrong
  • 3
    Northern hemisohere
    Correct
    Wrong
  • 4
    Antarctica
    Correct
    Wrong
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Answer : 1. "Tibet"
Explanation :

Answer: A) Tibet Explanation: Second ozone hole was detected over Tibet in the year 2006.  Ozone is a form of oxygen, acts as a high-altitude atmospheric screen against cancer-causing ultraviolet light. The main source of these halogens in the stratosphere is photodissociation of man made halocarbon refrigerants, solvents, propellants and CFC's.

Q: When the European union formed nations began to? 5566 0

  • 1
    eliminate their home governments.
    Correct
    Wrong
  • 2
    abolish many geographic boundaries.
    Correct
    Wrong
  • 3
    create one unified education system.
    Correct
    Wrong
  • 4
    cooperate on law enforcement.
    Correct
    Wrong
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Answer : 4. "cooperate on law enforcement."
Explanation :

Answer: D) cooperate on law enforcement. Explanation: When the European union formed nations began to cooperate on law enforcement. The European Union is set up with the aim of ending the frequent and bloody wars between neighbours, which culminated in the Second World War.   As of 1950, the European Coal and Steel Community begins to unite European countries economically and politically in order to secure lasting peace. The six founding countries are Belgium, France, Germany, Italy, Luxembourg and the Netherlands. The 1950s are dominated by a cold war between east and west.   The historical roots of the European Union lie in the Second World War. Europeans are determined to prevent such killing and destruction from ever happening again.

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