IIT JEE Practice Question and Answer

Q: What should come in place of the question mark(?) in the following questions ? 316 + 412 - 223 - 11112 = ? 1622 0

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

Answer: D) 3 1/12 Explanation: ? = (3 + 4 - 2 - 1) + ( 1/6 + 1/2 - 2/3 - 11/12)  = 4 + [(2+6-8-11)/12]  = 4 - (11/12 )= 31/12.

Q: " Rani ki Vav " an archaeological attraction is located in which of the following states ? 1504 0

  • 1
    Andhra Pradesh
    Correct
    Wrong
  • 2
    Telangana
    Correct
    Wrong
  • 3
    Rajasthan
    Correct
    Wrong
  • 4
    Gujarat
    Correct
    Wrong
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Answer : 4. "Gujarat"
Explanation :

Answer: D) Gujarat Explanation: Rani ki Vav meaning the Queen’s Stepwell is an archaeological site in the state of Gujarat. Beauitfully structured, the site has been included in the list of international heritage sites by UNESCO. With the help of the ambitious project, The Scottish Ten, Rani ki Vav is among the five heritage sites that would be recreated digitally for managment and conservation.

Q: Which day is declared as " International Day of Sport for Development and Peace (IDSDP) " by the UN General Assembly ? 1020 0

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

Answer: B) 6th April Explanation: 6 April was declared as the International Day of Sport for Development and Peace (IDSDP) by the UN General Assembly. On the occasion of the 2017 International Day of Sport for Development and Peace (IDSDP), the United Nations Office on Sport for Development and Peace (UNOSDP) launches the digital campaign #WePlayTogether to encourage organizations and individuals.

Q: Can you find the next number in the sequence "0, 1, 4, 7, 8, 5, 2, 3, 6, 9, 9, 6, 3, 2, 5, 8, 7, 4, 1, 0, 0, …" ? 1098 0

  • 1
    0
    Correct
    Wrong
  • 2
    1
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    7
    Correct
    Wrong
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Answer : 2. "1"
Explanation :

Answer: B) 1 Explanation: The pattern follows the palindrome sequence. Here the digits 0 1 4 7 8 5 8 3 6 9    9 6 3 8 5 8 7 4 1 0   0 1 4 7 ... So the next digit in the sequence is 1.

Q: Total 100 members are writing exam. In that 48 members are writing first exam, 45 members are writing second exam and 38 members are writing third exam. 5 members are writing all the three exams. How many members are writing 2 exams ? 1946 0

  • 1
    26
    Correct
    Wrong
  • 2
    23
    Correct
    Wrong
  • 3
    27
    Correct
    Wrong
  • 4
    21
    Correct
    Wrong
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Answer : 4. "21"
Explanation :

Answer: D) 21 Explanation: Total number of exams written by 100 students = 48 + 45 + 38 = 131Now let us say x members are writing only 1 exam, y members are writing only 2 exams, z members are writing only 3 exams.Therefore, x + 2y + 3z = 131 also x + y + z = 100.Given that z = 5. So x + 2y = 116 and x + y = 95.Solving we get y = 21.So 21 members are writing exactly 2 exams.

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Answer : 1. "87"
Explanation :

Answer: A) 87 Explanation: Cp1 = p2 - p1 , Cp2 = p3 - p2 ......Cp23 = p24 - p23Sum of series = (p2-p1) + (p3-p2) + .....(p23-p22) + (p24-p23)All terms get cancelled, except p1 = 2 and p24 = 89 So Sum = -p1 + p24Sum of series = -2 + 89 = 87

Q: Who is the author of the book "Flaming Tresses of Draupadi" ? 1880 0

  • 1
    Smriti Irani
    Correct
    Wrong
  • 2
    Veerappa Moily
    Correct
    Wrong
  • 3
    Mallikarjun Kharge
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 2. "Veerappa Moily"
Explanation :

Answer: B) Veerappa Moily Explanation:

Q: Minute hand overlaps hour hand in 65 mins. In how many days it will gain 1440 hours ? 1899 0

  • 1
    57 days
    Correct
    Wrong
  • 2
    58 days
    Correct
    Wrong
  • 3
    60 days
    Correct
    Wrong
  • 4
    61 days
    Correct
    Wrong
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Answer : 3. "60 days"
Explanation :

Answer: C) 60 days Explanation: In this problem , it has considered that 65 mins = 1hr So mins has increased by 5 mins so multiply 5 x 24 = 120 mins extra ,That is now per day it adds 2hr extra, so divide 1440/26 = 59.384 days =~ 60 days.

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