IIT JEE Practice Question and Answer

Q: Habeas Corpus Act 1679 1421 0

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Answer :
Explanation :

The Habeas Corpus writ is issued to produce a person who has been detained, whether in prison or in private custody, before a court and to release him if such detention is found illegal.   The right to habeas corpus has been used by the Indian judiciary effectively only in order to secure the release of a person from illegal detention.   If the detained person is unable to seek the writ of habeas corpus, someone else mayact so on his behalf.

Q: How many Months of the year have 28 Days? 1837 0

  • 1
    12
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 1. "12"
Explanation :

Answer: A) 12 Explanation: We have 12 months.   In every month we get 28 or more days.    So that implies we get 28 days in each and every month.

Q: What are the Multiples of 18? 1285 0

  • 1
    144
    Correct
    Wrong
  • 2
    72
    Correct
    Wrong
  • 3
    306
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: The Multiples of 18 are 18, 36, 54, 72, 90, 108, 126, ....   Multiples of 18 are nothing but numbers which are divisible by 18 leaving remainder 0.   An infinite number of multiples of 18 can be achieved by adding 18 to each subsequent multiple.

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Answer :
Explanation :

Let the ratio be 'R' Total number of students = 1050 Then, 9R + 5R = 1050 14R = 1050 => R = 75   Hence, the number of boys = 9R = 9 x 75 = 675

Q: What are the four main functions of a computer? 1831 0

  • 1
    Data, information, bits and bytes
    Correct
    Wrong
  • 2
    Hardware, software, modeling and operations
    Correct
    Wrong
  • 3
    Input, processing, output and storage
    Correct
    Wrong
  • 4
    Learning, thinking, intelligence and virtuosity
    Correct
    Wrong
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Answer : 3. "Input, processing, output and storage"
Explanation :

Answer: C) Input, processing, output and storage Explanation: The four main functions of a computer are ::   1. Input, 2. Processing, 3. Output and 4. Storage

Q: The Ozone Layer restricts from 4584 0

  • 1
    Infrared Rays
    Correct
    Wrong
  • 2
    Radio waves
    Correct
    Wrong
  • 3
    Ultraviolet Radiation
    Correct
    Wrong
  • 4
    X-Rays and Gamma Rays
    Correct
    Wrong
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Answer : 3. "Ultraviolet Radiation"
Explanation :

Answer: C) Ultraviolet Radiation Explanation: The Ozone layer which is present in the Earth's atmosphere protects it by restricting from UV or Ultraviolet radiation, the dangerous rays contained by Sun.

Q: The sides of a right-angled triangle are 12 cm, 16 cm, 20 cm respectively. A new right angle Δ is made by joining the midpoints of all the sides. This process continues for infinite then calculate the sum of the areas of all the triangles so made. 1802 0

  • 1
    312 sq.cm
    Correct
    Wrong
  • 2
    128 sq.cm
    Correct
    Wrong
  • 3
    412 sq.cm
    Correct
    Wrong
  • 4
    246 sq.cm
    Correct
    Wrong
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Answer : 2. "128 sq.cm"
Explanation :

Answer: B) 128 sq.cm Explanation: Area =    = 96   Sum of Area =

Q: A man was murdered in his office.   The suspects are Ericson, Maggi, Joel, Benny, Sona, Patick.   A calendar found near the man has blood written 6, 4, 9, 10, 11.   Who is the killer? 15428 0

  • 1
    Maggi
    Correct
    Wrong
  • 2
    Ericson
    Correct
    Wrong
  • 3
    Sona
    Correct
    Wrong
  • 4
    Joel
    Correct
    Wrong
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Answer : 4. "Joel"
Explanation :

Answer: D) Joel Explanation: If we consider the given numbers  6, 4, 9, 10, 11 to be the month number then we can easily find the killer. 6 – June – J 4 – April – A 9 – September – S 10 – October – O 11 – November – N Hence the answer is JOEL.

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