IIT JEE Practice Question and Answer

Q: The coldest planet in the solar system is ? 2287 0

  • 1
    Venus
    Correct
    Wrong
  • 2
    Jupiter
    Correct
    Wrong
  • 3
    Uranus
    Correct
    Wrong
  • 4
    Pluto
    Correct
    Wrong
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Answer : 3. "Uranus"
Explanation :

Answer: C) Uranus Explanation:

Q: Productivity is the combination of 2287 0

  • 1
    efficiency and energy
    Correct
    Wrong
  • 2
    efficiency and effectiveness
    Correct
    Wrong
  • 3
    efficiency and attitude
    Correct
    Wrong
  • 4
    effectiveness and resources
    Correct
    Wrong
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Answer : 2. "efficiency and effectiveness"
Explanation :

Answer: B) efficiency and effectiveness Explanation: Productivity is a result of the way that a business operates – the result of the way that its people, business processes, different functional units and suppliers come together to meet the needs and wants of its customers. Productivity is the combination of intelligent planning and focused efforts and hence, it is a combination of Efficiency and Effectiveness. Efficiency : Efficiency is an internal measure of performance for companies that shows how well the company converts inputs into outputs. The more the ratio of outputs to inputs approaches 100 percent, the better the efficiency of the process will be. In simple terms, it is “doing things right” and comes from proper harnessing of time, cost and efforts. Effectiveness : Organizational effectiveness is an external measure of performance and indicates how well an organization fulfills the demands of various organizational stakeholders. Simply put, it is “doing the right things."

Q: If 5th March, 2005 is Monday, what was the day of the week on 5th March, 2004 ? 2284 0

  • 1
    Sunday
    Correct
    Wrong
  • 2
    Monday
    Correct
    Wrong
  • 3
    Tuesday
    Correct
    Wrong
  • 4
    Wednesday
    Correct
    Wrong
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Answer : 1. "Sunday"
Explanation :

Answer: A) Sunday Explanation: The year 2004 is a leap year. So, it has 2 odd days. But, Feb 2004 not included because we are calculating from March 2004 to March 2005. So it has 1 odd day only. The day on 5th March, 2005 will be 1 day beyond the day on 5th March, 2004. Given that, 5th March, 2005 is Monday. 5th March, 2004 is Sunday (1 day before to 5th March, 2005).

Q: 90 D in a R A 2284 0

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Answer :
Explanation :

90 D in a R A => 90 degrees in a Right Angle.  This is similar to  26 L of the A = 26 Letters of the Alphabet 12 S of the Z.

Q: The average age of A and B, 2 years ago was 26. If the age of A, 5 years hence is 40 yrs, and B is 5 years younger to C, then find the difference between the age of A and C? 2282 0

  • 1
    11 yrs
    Correct
    Wrong
  • 2
    9 yrs
    Correct
    Wrong
  • 3
    7 yrs
    Correct
    Wrong
  • 4
    13 yrs
    Correct
    Wrong
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Answer : 2. "9 yrs"
Explanation :

Answer: B) 9 yrs Explanation: Let the present ages of A and B be 'x' and 'y' respectively From the given data,  [(x-2) + (y-2)]/2 = 26 => x+y = 56 But given the age of A, 5 years hence is 40 yrs => present age of A = 40 - 5 = 35 yrs => x = 35 => y = 56 - 35 = 21 => Age of B = 21 yrs Given B is 5 years younger to C, => Age of C = 21 + 5 = 26 yrs => Required Difference between ages of A and C = 35 - 26 = 9 yrs.

Q: A person says that his son is 5 times as old as his daughter and his wife is 5 times older than his son and he is twice the age of his wife . The sum total of all the ages equals the age of the grand mother who celebrated her 81st birthday today. How old was his son? 2280 0

  • 1
    50 yrs
    Correct
    Wrong
  • 2
    25 yrs
    Correct
    Wrong
  • 3
    72 yrs
    Correct
    Wrong
  • 4
    40 yrs
    Correct
    Wrong
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Answer : 1. "50 yrs"
Explanation :

Answer: A) 50 yrs Explanation: Let the daughter age be 'x'Therefore, Son age = 5x, Mother age = 25x, Person age = 50x. Thus we get, x+5x+25x+50x = 8181x = 81x = 1 Daughter's age = 1, Son's = 5, Mother's = 25, Person's age = 50.

Q: Which of the following is generally true about the stratosphere? 2279 0

  • 1
    It is very dry
    Correct
    Wrong
  • 2
    It is very moist
    Correct
    Wrong
  • 3
    The dryness level varies with the season
    Correct
    Wrong
  • 4
    The dryness level varies with the moon cycle
    Correct
    Wrong
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Answer : 1. "It is very dry"
Explanation :

Answer: A) It is very dry Explanation: The stratosphere layer of the atmosphere is very dry.

Q: What determines the value of an item? 2278 0

  • 1
    the capital required to build the factory
    Correct
    Wrong
  • 2
    the unlimited wants of the consumers
    Correct
    Wrong
  • 3
    the resources consumed in production
    Correct
    Wrong
  • 4
    the amount of goods that are produced
    Correct
    Wrong
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Answer : 1. "the capital required to build the factory"
Explanation :

Answer: A) the capital required to build the factory Explanation: Value is the monetary worth of something, in this case, it is an item. In option A, since it is talking about capital which is measured in monetary terms. The value of an item is determined by its quality and its age. Often antiques with good quality are sold in the market with a high value and are sometimes auctioned.

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