IIT JEE Practice Question and Answer

Q: Square is to Triangle and Cube is to 3371 0

  • 1
    Pyramid
    Correct
    Wrong
  • 2
    Rectangle
    Correct
    Wrong
  • 3
    Ice
    Correct
    Wrong
  • 4
    Rhombus
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "Pyramid"
Explanation :

Answer: A) Pyramid Explanation: Square is 2-dimensional 4 sided figure Whereas Cube is 3-dimensional figure which looks like Square.   Similarly, Triangle is 2-dimensional 3 sided figure Whereas Pyramid is 3-dimensional figure which looks like Triangle.

Q: How many parallelograms will be formed if 7 parallel horizontal lines intersect 6 parallel vertical lines? 3362 0

  • 1
    215
    Correct
    Wrong
  • 2
    315
    Correct
    Wrong
  • 3
    415
    Correct
    Wrong
  • 4
    115
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "315"
Explanation :

Answer: B) 315 Explanation: Parallelograms are formed when any two pairs of parallel lines (where each pair is not parallel to the other pair) intersect.   Hence, the given problem can be considered as selecting pairs of lines from the given 2 sets of parallel lines.   Therefore, the total number of parallelograms formed = 7C2 x 6C2 = 315

Q: Trips and Trims are the terms associated with 3357 0

  • 1
    IBRD
    Correct
    Wrong
  • 2
    WTO
    Correct
    Wrong
  • 3
    IDA
    Correct
    Wrong
  • 4
    IMF
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "WTO"
Explanation :

Answer: B) WTO Explanation: TRIM "Trade-related Investment Measures", an agreement within the Uruguay round trade negotiations. TRIPS "TRADE-RELATED ASPECTS OF INTELLECTUAL PROPERTY RIGHTS, is an international legal agreement between all the member nations of the World Trade Organization (WTO).

Q: Running 3/4th of his usual rate, a man is 15min late. Find his usual time in hours  ? 3355 0

  • 1
    2/3 hrs
    Correct
    Wrong
  • 2
    3/4 hrs
    Correct
    Wrong
  • 3
    1/3 hrs
    Correct
    Wrong
  • 4
    1/4 hrs
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "3/4 hrs"
Explanation :

Answer: B) 3/4 hrs Explanation: Walking at 3/4th of usual rate implies that time taken would be 4/3th of the usual time. In other words, the time taken is 1/3rd more than his usual time   so 1/3rd of the usual time = 15minor usual time = 3 x 15 = 45min = 45/60 hrs = 3/4 hrs.

Q: If a2+b2 = c2 , then 1logc+ab + 1logc-ab = ? 3350 1

  • 1
    1
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    4
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 2. "2"
Explanation :

Answer: B) 2 Explanation: Given a2 + b2 = c2   Now  1logc+ab  + 1logc-ab    = logbc+a + logbc-a   = logbc2-a2 = 2logbb = 2

Q: Which gymnospermic plant cures rheumatism? 3342 0

  • 1
    Ephedra
    Correct
    Wrong
  • 2
    Pinus
    Correct
    Wrong
  • 3
    Araucaria
    Correct
    Wrong
  • 4
    Gnetum
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "Gnetum"
Explanation :

Answer: D) Gnetum Explanation: Oil from Gnetum spp a gymnosperm belonging to the family Gnetaceae is used to relieve the effects of rheumatism The lianas and shrubs of Gnetum are found in the rain forests of the western ghats.

Q: If 15 men 4 hours per day works for 14 days get Rs.35/- then how many men required if the work is 8 hours per day for 10 days they get 50/- ? 3341 0

  • 1
    12
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    14
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 4. "15"
Explanation :

Answer: D) 15 Explanation: We know M1×D1×H1W1 = M2×D2×H2W2    => 15×4×1435 = M×8×1050   => M = 15

Q: Look at the series : 3, 7, 24, 11, __, 19, 19,... What number should fill the blank ? 3336 0

  • 1
    15
    Correct
    Wrong
  • 2
    13
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
  • Show AnswerHide Answer
  • Workspace

Answer : 1. "15"
Explanation :

Answer: A) 15 Explanation: Two series alternate here, with every third number following a different pattern.In the main series, 4 is added to each number to arrive the next.In alternate series, 5 is subtracted from each number t arrive the next number.Here in the main series 3 + 4 = 77 + 4 = 1111 + 4 = 1515 + 4 = 19 In alternate series 24 - 5 = 1919 - 5 = 14...

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully

      Report Error

    Please Enter Message
    Error Reported Successfully