IIT JEE Practice Question and Answer

Q: What has teeth but cannot bite? 2894 0

  • 1
    Comb
    Correct
    Wrong
  • 2
    Saw
    Correct
    Wrong
  • 3
    Zipper
    Correct
    Wrong
  • 4
    Gear
    Correct
    Wrong
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Answer : 1. "Comb"
Explanation :

Answer: A) Comb Explanation: Saw, Zipper and Gear have teeth but can bite us. Comb have teeth but cannot bite.

Q: Dhanraj Pillay is related to which sports ? 2891 0

  • 1
    Cricket
    Correct
    Wrong
  • 2
    Hockey
    Correct
    Wrong
  • 3
    Golf
    Correct
    Wrong
  • 4
    Football
    Correct
    Wrong
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Answer : 2. "Hockey"
Explanation :

Answer: B) Hockey Explanation: Dhanraj Pillay is a retired Indian field hockey player and former captain of the Indian national team.He currently serves as the manager of the team.

Q: Rs. 2600 is divided into three parts A, B and C. How much A is more than C if their ratio is 1/2:1/3:1/4 ? 2891 0

  • 1
    600
    Correct
    Wrong
  • 2
    300
    Correct
    Wrong
  • 3
    150
    Correct
    Wrong
  • 4
    75
    Correct
    Wrong
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Answer : 1. "600"
Explanation :

Answer: A) 600 Explanation: 1/2:1/3:1/4 = 6:4:3 As the difference is 3 => 3/13x2600 = 600

Q: What is the next number of the following sequence ? 21, 77, 165, 285, ...... 2890 0

  • 1
    404
    Correct
    Wrong
  • 2
    415
    Correct
    Wrong
  • 3
    426
    Correct
    Wrong
  • 4
    437
    Correct
    Wrong
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Answer : 4. "437"
Explanation :

Answer: D) 437 Explanation: The series follow the rule,   21 = 77 = 92-4165 = 132-4285 = 172-4 5,9,13,17,21,(+4)...In the same way next no. will be 212-4 = 441 - 4 = 437

Q: Sum of the ages of Rajesh, Suresh, Mahesh and Dinesh is 76 years. 7 years hence, their age ratio is 7:6:5:8. Find Mahesh’s present age ? 2890 0

  • 1
    17 years
    Correct
    Wrong
  • 2
    13 years
    Correct
    Wrong
  • 3
    14 years
    Correct
    Wrong
  • 4
    16 years
    Correct
    Wrong
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Answer : 2. "13 years"
Explanation :

Answer: B) 13 years Explanation: Given R + S + M + D = 76 => R+7 : S+7 : M+7 : D+7 = 7:6:5:8 => Let the ratio = x => M+7 = 5x => M = 5x-7 => R = 7x-7 => S = 6x-7 => D = 8x-7 => R + S + M + D = 76 => 7x-7 + 6x-7 + 5x-7 + 8x-7 = 76 => 26x - 28 = 76 => 26x = 104 => x = 4 => Mahesh's present age = 5x-7 = 20 - 7 = 13 years.

Q: Find the odd one out of the following number series? 9 5 6 14 56 488 2888 0

  • 1
    56
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    14
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 1. "56"
Explanation :

Answer: A) 56 Explanation: The given number series follows a pattern that, 9 9 x 0.5 + 0.5 = 5 5 x 1 + 1 = 6 6 x 2 + 2 = 14 14 x 4 + 4 = 60 (not equals to 56) 60 x 8 + 8 = 488.   Hence, the odd one in the given number series is 56.

Q: Which type of memory is not directly addressable by the CPU and requires special software called EMS ? 2885 2

  • 1
    Expanded
    Correct
    Wrong
  • 2
    Base
    Correct
    Wrong
  • 3
    Conventional
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Expanded"
Explanation :

Answer: A) Expanded Explanation:

Q: The main goal for farmers in 1900 was to 2882 0

  • 1
    Force the railroads to lower freight rates
    Correct
    Wrong
  • 2
    Enable them to pay back their loans more easily
    Correct
    Wrong
  • 3
    Hold on to political and economic power.
    Correct
    Wrong
  • 4
    voters greater direct participation in government
    Correct
    Wrong
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Answer : 3. "Hold on to political and economic power."
Explanation :

Answer: C) Hold on to political and economic power. Explanation:

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