IIT JEE Practice Question and Answer

Q: Points that lie on the same line are called 2332 0

  • 1
    Congruent
    Correct
    Wrong
  • 2
    Coplanar points
    Correct
    Wrong
  • 3
    Collinear points
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 3. "Collinear points"
Explanation :

Answer: C) Collinear points Explanation: Points that lie on the same line are called Collinear points. And that points lie on the same plane are called Coplanar points.

Q: The average temperature for Monday, Tuesday, Wednesday and Thursday was 48 degrees and for Tuesday, Wednesday, Thursday and Friday was 46 degrees. If the temperature on Monday was 42 degrees. Find the temperature on Friday ? 2331 0

  • 1
    34
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    38
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 1. "34"
Explanation :

Answer: A) 34 Explanation: M + Tu + W + Th = 4 x 48 = 192Tu + W + Th + F = 4 x 46 = 184M = 42Tu + W + Th = 192 - 42 = 150F = 184 – 150 = 34

Q: 5% of a number is 25% more than another number. The difference between the numbers is 96. Then find the value of the numbers? 2330 0

  • 1
    102 & 6
    Correct
    Wrong
  • 2
    99 & 3
    Correct
    Wrong
  • 3
    104 & 8
    Correct
    Wrong
  • 4
    100 & 4
    Correct
    Wrong
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Answer : 4. "100 & 4"
Explanation :

Answer: D) 100 & 4 Explanation: Let the first number be x and the second number be y. Given 5% of x = (25% of y) + y => 5x/100 = 5y/4 => x = 25y ......(1) and also given that, x - y = 96 => x = 96 + y .....(2) From (1)&(2) 25y = 96 + y => 24y = 96 => y = 4 From (1) x = 96 + 4 = 100 Hence, the numbers are 100 & 4.

Q: Velocitation is the tendency to 2330 0

  • 1
    be traveling at a speed that is faster than perceived
    Correct
    Wrong
  • 2
    be traveling at a speed that is slower than perceived
    Correct
    Wrong
  • 3
    Both A & B
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 1. "be traveling at a speed that is faster than perceived"
Explanation :

Answer: A) be traveling at a speed that is faster than perceived Explanation: Velocitation is a phenomenon caused by driving for long periods at high speeds. A driver may experience velocitation when coming off of the highway; the change in speed makes him or her think that the car is going much slower than it actually is.   Velocitation is the tendency to be traveling at a speed that is faster than perceived.

Q: A box contains 90 screws each of 100 gms and 100 bolts each of 150 gms. If the entire box weighs 35.5 kg, then the weight of the empty box is ? 2330 0

  • 1
    10.5 kgs
    Correct
    Wrong
  • 2
    12 kgs
    Correct
    Wrong
  • 3
    9.6 kgs
    Correct
    Wrong
  • 4
    11.5 kgs
    Correct
    Wrong
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Answer : 4. "11.5 kgs"
Explanation :

Answer: D) 11.5 kgs Explanation: Screws weight = 90x100 = 9000gmsbolts weight = 100 x 150 = 15000gmsweight = screws + bolts => 24000 gms =>24 kgGiven entire box weight = 35.5kgempty box = entire box weight - weight => 35.5kg - 24kg => 11.5kgso the empty box is 11.5kg.

Q: Which one of the following began with the Dandi March ? 2327 0

  • 1
    Civil disobedience Movement
    Correct
    Wrong
  • 2
    Quit India Movement
    Correct
    Wrong
  • 3
    Non-Cooperation Movement
    Correct
    Wrong
  • 4
    Home rule Movement
    Correct
    Wrong
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Answer : 1. "Civil disobedience Movement"
Explanation :

Answer: A) Civil disobedience Movement Explanation:

Q: Who has the best overall health? 2327 0

  • 1
    a person who exercises regularly and is not overweight
    Correct
    Wrong
  • 2
    a person who is not ill and is physically active
    Correct
    Wrong
  • 3
    a person who lives longer than his or her grandparents
    Correct
    Wrong
  • 4
    a person who balances social, physical, and mental health
    Correct
    Wrong
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Answer : 4. "a person who balances social, physical, and mental health"
Explanation :

Answer: D) a person who balances social, physical, and mental health Explanation: A person who balances all the three healths such as Physical, mental and Social healths has the best overall health.

Q: Which of the following is the lightest metal? 2323 0

  • 1
    Lithium
    Correct
    Wrong
  • 2
    Silver
    Correct
    Wrong
  • 3
    Mercury
    Correct
    Wrong
  • 4
    Lead
    Correct
    Wrong
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Answer : 1. "Lithium"
Explanation :

Answer: A) Lithium Explanation: Lithium is the lightest metal and the lightest solid element. It is a soft, silvery-white alkali metal. Under standard conditions. Like all alkali metals, lithium is highly reactive and flammable and is stored in mineral oil.

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