IIT JEE Practice Question and Answer

Q: Manoj and Satya are ranked seventh and eleventh respectively from the top in a class of 31 students. What will be their respective ranks from the bottom in the class ? 1958 0

  • 1
    25th and 21st
    Correct
    Wrong
  • 2
    26th and 22nd
    Correct
    Wrong
  • 3
    20th and 24th
    Correct
    Wrong
  • 4
    24th and 20th
    Correct
    Wrong
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Answer : 1. "25th and 21st"
Explanation :

Answer: A) 25th and 21st Explanation: Number of students behind Manoj in rank = (31 - 7) = 24. So, Manoj is 25th from the bottom. Number of students behind Satya in rank = (31 - 11) = 20. So, Satya is 21st from the bottom.

Q: Oscar Awards are conferred annually by 1957 0

  • 1
    Academy of Motion Pictures, arts and sciences, USA
    Correct
    Wrong
  • 2
    Hollywood Foreign Press Association
    Correct
    Wrong
  • 3
    Government of United States
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Academy of Motion Pictures, arts and sciences, USA"
Explanation :

Answer: A) Academy of Motion Pictures, arts and sciences, USA Explanation:

Q: Statement : Let there be a signboard also indicating the directions and instructions. Assumptions :a) Signboard can be prepared without using any language.b) Signboard is the only effective tool to indicate directions. 1957 0

  • 1
    Both a and b are not sufficient
    Correct
    Wrong
  • 2
    Only a is sufficient
    Correct
    Wrong
  • 3
    Only b is sufficient
    Correct
    Wrong
  • 4
    Both a and b are sufficient
    Correct
    Wrong
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Answer : 1. "Both a and b are not sufficient"
Explanation :

Answer: A) Both a and b are not sufficient Explanation: The statement doesn't give any clue to the use of language. Hence a is not implicit. b is also not implicit because in the sentence 'only' indicates false meaning.

Q: Which of the following is part of the axial skeleton? 1955 0

  • 1
    Thigh bone
    Correct
    Wrong
  • 2
    Shoulder bones
    Correct
    Wrong
  • 3
    Vertebral column
    Correct
    Wrong
  • 4
    Foot bones
    Correct
    Wrong
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Answer : 3. "Vertebral column"
Explanation :

Answer: C) Vertebral column Explanation: The axial skeleton is the part of the skeleton that consists of the bones of the head and trunk of a vertebrate. In the human skeleton, it consists of 80 bones and is composed of six parts; the skull bones, the ossicles of the middle ear, the hyoid bone, the rib cage, sternum and the vertebral column.   Bones of shoulder, thigh and foot are the part of appendicular skeleton.     Hence, Vertebral column is the part of axial skeleton.

Q: What is a stub network? 1954 0

  • 1
    A network with only one entry and no exit point.
    Correct
    Wrong
  • 2
    A network that has only one entry and exit point.
    Correct
    Wrong
  • 3
    A network with more than one exit point.
    Correct
    Wrong
  • 4
    A network with more than one exit and entry point.
    Correct
    Wrong
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Answer : 2. "A network that has only one entry and exit point."
Explanation :

Answer: B) A network that has only one entry and exit point. Explanation: A stub network has only one default path to non-local hosts and no outside network knowledge. Non-local stub network traffic uses a single logical path when traveling in and out of the network.   Stub networks are essentially local area networks (LAN) that either do not connect to the outside and relay data packets internally or are dead-end LANs that know of only one network exit. Stub networks may have multiple connections but use one path to single points of destination.   Hence, a stub network is a network that has only one entry and exit point.

Q: The complexity of linear search algorithm is 1954 0

  • 1
    O(n2)
    Correct
    Wrong
  • 2
    O(n log n)
    Correct
    Wrong
  • 3
    O(n)
    Correct
    Wrong
  • 4
    O(log n)
    Correct
    Wrong
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Answer : 3. "O(n)"
Explanation :

Answer: C) O(n) Explanation: The worst case complexity of linear search is O(n).

Q: Sandalwood is largely found in 1953 0

  • 1
    India
    Correct
    Wrong
  • 2
    Japan
    Correct
    Wrong
  • 3
    China
    Correct
    Wrong
  • 4
    Nepal
    Correct
    Wrong
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Answer : 1. "India"
Explanation :

Answer: A) India Explanation: Sandalwood is largely found in India and they are government owned and their harvest is controlled.   Naturally grown sandalwood can be easily found in Karnataka, Tamilnadu, Andhra, Kerala, Gujarat, Madhya Pradesh, and U.P. Manipura and in some other states of India.

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