IIT JEE Practice Question and Answer

Q: What was the first book ever written? 823 0

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Answer :
Explanation :

The first written story that has come down to us is The Epic of Gilgamesh. It is a mythologized account of a historical figure, Gilgamesh, a ruler of the Sumerian city-state of Uruk, believed to have ruled sometime between 2700-2500 BC.

Q: Find the length of a train if it takes 10 seconds to cross a pole and double of this time to cross a platform of length 200 mts ? 822 0

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    180 mts
    Correct
    Wrong
  • 2
    190 mts
    Correct
    Wrong
  • 3
    200 mts
    Correct
    Wrong
  • 4
    210 mts
    Correct
    Wrong
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Answer : 3. "200 mts"
Explanation :

Answer: C) 200 mts Explanation: Let the length of the train be 'L' mts let the speed of the train be 'S' m/s Given it crosses a pole in 10 sec=> L/S = 10 ......(1)Given it takes 20 sec (double of pole) to cross a platform of length 200 mts => (L + 200)/S = 20 => L/S + 200/S = 20 But from (1) L/S = 10 => 200/S = 20 - 10 => S = 20 m/s Then, from (1) => L = 10 x 20 = 200 mts. Hence, the length of the train = 200 mts.

Q: Who is the author of the book "The Hungry Tide"? 822 0

  • 1
    Mitali Meelan
    Correct
    Wrong
  • 2
    Ravinder Singh
    Correct
    Wrong
  • 3
    Amitav Ghosh
    Correct
    Wrong
  • 4
    Sudha Murty
    Correct
    Wrong
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Answer : 3. "Amitav Ghosh"
Explanation :

Answer: C) Amitav Ghosh Explanation:

Q: India's largest telecom operator Bharti Airtel announced a partnership with __________ to provide cyber security solutions to businesses in India. 817 0

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    Symantec Corp
    Correct
    Wrong
  • 2
    Mimecast
    Correct
    Wrong
  • 3
    Cisco
    Correct
    Wrong
  • 4
    Raytheon
    Correct
    Wrong
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Answer : 1. "Symantec Corp"
Explanation :

Answer: A) Symantec Corp Explanation:

Q: How many minutes does a watch lose per day, if its hands coincide every 64 minutes ? 811 0

  • 1
    36 7/9 min
    Correct
    Wrong
  • 2
    32 8/11 min
    Correct
    Wrong
  • 3
    34 3/11 min
    Correct
    Wrong
  • 4
    65 5/11 min
    Correct
    Wrong
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Answer : 2. "32 8/11 min"
Explanation :

Answer: B) 32 8/11 min Explanation: 55 min. spaces are covered in 60 min. 60 min. spaces are covered in min. = min. Loss in 64 min. = min. Loss in 24 hrs = min. = min.

Q: What is the theme of 2017 World Telecommunication and Information Society Day (WTISD)  ? 803 0

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    Entrepreneurship for social impact
    Correct
    Wrong
  • 2
    Reduce digital divide
    Correct
    Wrong
  • 3
    D)  ? A) Entrepreneurship for social impact B) Reduce digital divide C)
    Correct
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  • 4
    ? A) Entrepreneurship for social impact B) Reduce digital divide C) Promote digital education for social welfare D) Big data for big impact
    Correct
    Wrong
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Answer : 4. "? A) Entrepreneurship for social impact B) Reduce digital divide C) Promote digital education for social welfare D) Big data for big impact"
Explanation :

Answer: D) Big data for big impact Explanation: The World Telecommunication and Information Society Day (WTISD) is observed every year on May 17 to mark the anniversary of the signing of the first International Telegraph Convention (ITC) and the creation of the International Telecommunication Union (ITU). The purpose of the day is to help raise awareness of the possibilities that the use of the Internet and other information and communication technologies (ICT) can bring to societies and economies, as well as of ways to bridge the digital divide. The 2017 theme “Big Data for Big Impact” focuses on the power of Big Data for development and aims to explore how to turn imperfect, complex, often unstructured data into actionable information in a development context.

Q: Name the malicious software that affected various computers recently in may 2017, and restricted users to access it until a ransom is paid to unlock it  ? 801 0

  • 1
    Bitcoinware
    Correct
    Wrong
  • 2
    Captiveware
    Correct
    Wrong
  • 3
    Pay-offware
    Correct
    Wrong
  • 4
    Ransomware
    Correct
    Wrong
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Answer : 4. "Ransomware"
Explanation :

Answer: D) Ransomware Explanation:

Q: The Study of Blood is called as 795 0

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Answer :
Explanation :

The Study of Blood is called as Hematology which involves treating diseases that affect the production of blood and its components, such as bloodcells, hemoglobin, blood proteins, bone marrow, platelets, blood vessels, spleen, and the mechanism of coagulation.

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