IIT JEE Practice Question and Answer

Q: Find the next number in the following number series? 11, 13, 30, 96, ? 2341 0

  • 1
    264
    Correct
    Wrong
  • 2
    392
    Correct
    Wrong
  • 3
    412
    Correct
    Wrong
  • 4
    459
    Correct
    Wrong
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Answer : 2. "392"
Explanation :

Answer: B) 392 Explanation: The given number series 11, 13, 30, 96, ? follows a pattern that, 11 11 x 1 + 2 = 13 13 x 2 + 4 = 30 30 x 3 + 6 = 96 96 x 4 + 8 = 392   Hence, the next number in the given series is 392.

Q: Here are some words translated from an artificial language. briftamint means 'militant'uftonel means 'occupied'uftonalene means 'occupation' Which word could mean "Occupant"? 2338 0

  • 1
    elamint
    Correct
    Wrong
  • 2
    briftalene
    Correct
    Wrong
  • 3
    uftonamint
    Correct
    Wrong
  • 4
    elbrifta
    Correct
    Wrong
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Answer : 3. "uftonamint"
Explanation :

Answer: C) uftonamint Explanation: Brift means the root word mili; the suffix amint means the same as the English suffix –tant; the root word ufton– means occupy; el means the suffix –ied of occupied; and alene means the suffix –tion. (Because ufton means occupy, choices a, b, and d can be easily ruled out.)

Q: Natural Rubber is a Polymer of 2334 0

  • 1
    butadiene
    Correct
    Wrong
  • 2
    2methyl-1,3butadiene
    Correct
    Wrong
  • 3
    ethylene
    Correct
    Wrong
  • 4
    isoprene
    Correct
    Wrong
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Answer : 4. "isoprene"
Explanation :

Answer: D) isoprene Explanation: Natural Rubber is a Polymer derived from Isoprene.  Natural rubber is an addition polymer that is obtained as a milky white fluid known as Latex from a Tropical Rubber Tree.

Q: Select a suitable figure from the four alternatives that would complete the figure matrix. 2333 0

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

Answer: A) 2 Explanation: In each row, the second figure is obtained from the first figure by adding two mutually perpendicular line segments at the centre and the third figure is obtained from the first figure by adding four circles outside the main figure.

Q: Which of the following is the basic characteristic of Oligopoly ? 2333 0

  • 1
    a few sellers, many buyers
    Correct
    Wrong
  • 2
    many sellers, a few buyers
    Correct
    Wrong
  • 3
    a few sellers, a few buyers
    Correct
    Wrong
  • 4
    a few sellers, one buyer
    Correct
    Wrong
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Answer : 1. "a few sellers, many buyers"
Explanation :

Answer: A) a few sellers, many buyers Explanation:

Q: Technology giant Microsoft's India-born CEO ___________ has written his first book "Hit Refresh". 2330 0

  • 1
    Satya Nadella
    Correct
    Wrong
  • 2
    Indra Nooyi
    Correct
    Wrong
  • 3
    Kiran Mazumdar
    Correct
    Wrong
  • 4
    Sundar Pichai
    Correct
    Wrong
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Answer : 1. "Satya Nadella"
Explanation :

Answer: A) Satya Nadella Explanation:

Q: In what time will Rs. 1860 amount to Rs. 2641.20 at simple interest 12% per annum? 2328 0

  • 1
    2.9 years
    Correct
    Wrong
  • 2
    3.5 years
    Correct
    Wrong
  • 3
    4.2 years
    Correct
    Wrong
  • 4
    4.7 years
    Correct
    Wrong
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Answer : 2. "3.5 years"
Explanation :

Answer: B) 3.5 years Explanation: Given that Rs. 1860 will become Rs. 2641.20 at 12% => Simple Interest = 2641.20 - 1860 = Rs. 781.20 We know I = PTR/100 => 781.20 x 100 = 1860 x T x 12 => T = 78120/1860x12 => T = 78120/22320 => T = 3.5 years.

Q: What is the next number in series? 10, 9, 60, 90, 70, 66, ? 2326 0

  • 1
    73
    Correct
    Wrong
  • 2
    19
    Correct
    Wrong
  • 3
    96
    Correct
    Wrong
  • 4
    22
    Correct
    Wrong
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Answer : 3. "96"
Explanation :

Answer: C) 96 Explanation: ten = 3(number of letters)nine = 4(number of letters)sixty = 5(number of letters)ninety = 6(number of letters)seventy = 7(number of letters)sixtysix = 8(number of letters)ninetysix=96(number of letters) Then, likwise choose the number which has 9 letters in its Spelling.

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