IIT JEE Practice Question and Answer

Q: Three men, four women and six children can complete a work in 9 days. A women does  double the work a man does and a child does half the work a man does. How many women alone can complete this work in 9 days? 3392 0

  • 1
    7
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 1. "7"
Explanation :

Answer: A) 7 Explanation: Given (3 Men + 4 Women + 6 Children) -----> 9 days But W = 2M and C = M/2 Now, convert Men and Children into Women by 3W2 + 4W + 6W4=> 32 + 4 + 32 = 7 Women  Therefore, 7 women alone can complete this work in 9 days.

Q: If a person having Rs. 2000 and he want to distribute this to his five children in the manner that each son having Rs. 30 more than the younger one , what will be the share of youngest child ? 3385 1

  • 1
    Rs. 175
    Correct
    Wrong
  • 2
    Rs. 325
    Correct
    Wrong
  • 3
    Rs. 340
    Correct
    Wrong
  • 4
    Rs. 260
    Correct
    Wrong
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Answer : 3. "Rs. 340"
Explanation :

Answer: C) Rs. 340 Explanation: Assume first child (the youngest) get = Rs. x According to the question ;each son having Rs. 30 more than the younger one Second child will get = Rs. x + 30 Third child will get = Rs. x + 30 + 30 = x + 60 Forth child will get = Rs. x + 30 + 30 + 30 = x + 90 Fifth child will get = Rs. x + 30 + 30 + 30 + 30 = x + 120 Total amount they got = Rs. 2000 x + (x+30) + (x+60) + (x+90) + (x+120) = 20005x + 300 = 20005x = 1700x = Rs. 340So the youngest child will get Rs. 340.

Q: Study of sound is called 3383 0

  • 1
    Agronomy
    Correct
    Wrong
  • 2
    Accoustics
    Correct
    Wrong
  • 3
    Aesthetics
    Correct
    Wrong
  • 4
    Aeronautics
    Correct
    Wrong
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Answer : 2. "Accoustics"
Explanation :

Answer: B) Accoustics Explanation: Accoustics is a subject deals with the Study of sound   Aesthetics is a Philosophy of fine arts   The science or art of flight is called Aeronautics   The science of soil management is called Agronomy.

Q: Which best matches the description with the genetic material? 3382 0

  • 1
    Chromosomes are located in the cytoplasm.
    Correct
    Wrong
  • 2
    DNA is located in the nucleus.
    Correct
    Wrong
  • 3
    Nucleotides form a helical structure that is called a gene.
    Correct
    Wrong
  • 4
    Chromosomes create genes.
    Correct
    Wrong
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Answer : 2. "DNA is located in the nucleus."
Explanation :

Answer: B) DNA is located in the nucleus. Explanation: DNA is the genetic material in the cell.    Hence, option B) DNA is located in the nucleus best matches the description with the genetic material.

Q: Durand Cup is associated with the game of 3381 0

  • 1
    Badminton
    Correct
    Wrong
  • 2
    Volleyball
    Correct
    Wrong
  • 3
    Football
    Correct
    Wrong
  • 4
    Hockey
    Correct
    Wrong
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Answer : 3. "Football"
Explanation :

Answer: C) Football Explanation: Durand Cup is associated with the game of Football. The Durand Football Tournament or Durand Cup is a football competition in India which was first held in 1888. It is co-hosted by the Durand Football Tournament Society (DFTS) and Osians All the matches are free-of-cost for spectators, and the winner gets ₹ 50 lakh. The Tournament is named after its founder, Sir Mortimer Durand from Simla.

Q: The largest proportion of federal revenues comes from 3375 0

  • 1
    borrowing
    Correct
    Wrong
  • 2
    excise taxes
    Correct
    Wrong
  • 3
    social insurance taxes
    Correct
    Wrong
  • 4
    personal income taxes
    Correct
    Wrong
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Answer : 4. "personal income taxes"
Explanation :

Answer: D) personal income taxes Explanation: The largest proportion of federal revenues comes from personal income taxes. Almost half of all federal revenue (47 percent) comes from individual income taxes.

Q: Choose the antonym of the word given from the following options ? MUNDANE 3374 0

  • 1
    Extraordinary
    Correct
    Wrong
  • 2
    Regular
    Correct
    Wrong
  • 3
    Visionary
    Correct
    Wrong
  • 4
    Routine
    Correct
    Wrong
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Answer : 1. "Extraordinary"
Explanation :

Answer: A) Extraordinary Explanation:

Q: The percentage discount offered for "Buy 6 get 1 free is" ? 3373 0

  • 1
    85.78 %
    Correct
    Wrong
  • 2
    58. 48 %
    Correct
    Wrong
  • 3
    19.25 %
    Correct
    Wrong
  • 4
    14.285 %
    Correct
    Wrong
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Answer : 4. "14.285 %"
Explanation :

Answer: D) 14.285 % Explanation: Total Items = 7Discounted = 1Percentage = 1/7 x 100= 14.285%

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