IIT JEE Practice Question and Answer

Q: The New Chief Minister of Himachal Pradesh 2017? 1739 0

  • 1
    Anil Sharma
    Correct
    Wrong
  • 2
    Jairam Thakur
    Correct
    Wrong
  • 3
    Sudhir Sharma
    Correct
    Wrong
  • 4
    Karan Singh
    Correct
    Wrong
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Answer : 2. "Jairam Thakur"
Explanation :

Answer: B) Jairam Thakur Explanation: Jairam Thakur was sworn-in as the Chief Minister of Himachal Pradesh on 27th December 2017 after virbhadra Singh. The cabinet, including Thakur, were administered the oath of office and secrecy by Governor Acharya Dev Vrat at the historic Ridge Ground in Shimla, the capital city of Himachal Pradesh.   Jai Ram is the first chief minister from the second largest Mandi district and the 14th chief minister and sixth person to adorn the office of the chief minister.

Q: Antonym of the Word : efface 1738 0

  • 1
    burn
    Correct
    Wrong
  • 2
    face
    Correct
    Wrong
  • 3
    erase
    Correct
    Wrong
  • 4
    create
    Correct
    Wrong
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Answer : 3. "erase"
Explanation :

Answer: C) erase Explanation:

Q: 1/8 as a decimal? 1738 0

  • 1
    0.125
    Correct
    Wrong
  • 2
    0.225
    Correct
    Wrong
  • 3
    0.325
    Correct
    Wrong
  • 4
    0.425
    Correct
    Wrong
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Answer : 1. "0.125"
Explanation :

Answer: A) 0.125 Explanation: 1/8 to convert into decimal, Find an equivalent fraction with a denominator of a power of 10. In this case, we will use 1000. 18 x 125125 = 1251000 This can now be written as a decimal with 3 decimal places (because we have thousandths. i.e, 0.125   Hence, 18 as a decimal = 0.125

Q: IUPAC full form 1738 0

  • 1
    Indian Union of Pure and Applied Chemistry
    Correct
    Wrong
  • 2
    International Union of Postal and Application Corporation
    Correct
    Wrong
  • 3
    International Union of Pure and Applied Chemistry
    Correct
    Wrong
  • 4
    International University of Poland And Combodia
    Correct
    Wrong
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Answer : 3. "International Union of Pure and Applied Chemistry"
Explanation :

Answer: C) International Union of Pure and Applied Chemistry Explanation: IUPAC stands for International Union of Pure and Applied Chemistry.   A chemical nomenclature is a set of rules to generate systematic names for chemical compounds. The nomenclature used most frequently worldwide is the one created and developed by the International Union of Pure and Applied Chemistry (IUPAC).

Q: The original ASCII code used ___________ bits of each byte, reserving that last bit for error checking ? 1738 0

  • 1
    5
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 3. "7"
Explanation :

Answer: C) 7 Explanation:

Q: A teacher multiplies 987 by a certain number and obtains 556781 as her answer. If in the answer, both 6 and 7 are wrong but the other digits are correct, then the correct answer will be 1737 0

  • 1
    553681
    Correct
    Wrong
  • 2
    555181
    Correct
    Wrong
  • 3
    556581
    Correct
    Wrong
  • 4
    555681
    Correct
    Wrong
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Answer : 4. "555681"
Explanation :

Answer: D) 555681 Explanation: Given number is 987 = 3 x 7 x 47. So, required number must be divisible by each one of 3, 7, 47. None of the numbers in 553681 and 555181 are divisible by 3. While 556581 is not divisible by 7.Correct answer is 555681.

Q: 1 Billion Seconds Equals to 1737 0

  • 1
    34.76 years
    Correct
    Wrong
  • 2
    32.48 years
    Correct
    Wrong
  • 3
    33.31 years
    Correct
    Wrong
  • 4
    31.68 years
    Correct
    Wrong
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Answer : 4. "31.68 years"
Explanation :

Answer: D) 31.68 years Explanation: We know that 1 year = 365.25 days 1 day = 24 hours 1 hour = 60 minutes 1 minute = 60 seconds   => 1 Year = 365.25 x 24 x 60 x 60 Seconds But 1 billion seconds = ? 1 Year = 365.25 x 24 x 60 x 60 Seconds     ?     =  1000000000 Seconds   ? = 1000000000365.25 x 24 x 60 x 60 years = 31. 68 years.

Q: International Workers' Day or Labour Day is celebrated on ? 1737 0

  • 1
    April 1st
    Correct
    Wrong
  • 2
    May 1st
    Correct
    Wrong
  • 3
    June 1st
    Correct
    Wrong
  • 4
    July 1st
    Correct
    Wrong
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Answer : 2. "May 1st"
Explanation :

Answer: B) May 1st Explanation: International Workers' Day, also known as Labour Day in some countries, is a celebration of labourers and the working classes that is promoted by the international labour movement, socialists, communists or anarchists.  It occurs every year on May Day which is May 1st. It is the day to pay tribute to the Labourers. Without them nothing will complete.  In India, the first Labour Day, or May Day, was celebrated in 1923 in Chennai.

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