IIT JEE Practice Question and Answer

Q: Who was the first englishman to sail around the world? 2076 0

  • 1
    Magellan
    Correct
    Wrong
  • 2
    Sir Francis Drake
    Correct
    Wrong
  • 3
    Juan Sebastian Elcano
    Correct
    Wrong
  • 4
    Henry Hudson
    Correct
    Wrong
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Answer : 2. "Sir Francis Drake"
Explanation :

Answer: B) Sir Francis Drake Explanation: Sir Francis Drake was the first Englishman to sail around the world.

Q: What are two rights in the declaration of Independence? 2076 0

  • 1
    Liberty
    Correct
    Wrong
  • 2
    Life
    Correct
    Wrong
  • 3
    Pursuit of happiness
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 4. "All the above"
Explanation :

Answer: D) All the above Explanation: The rights in the declaration of Independence are : 1. Life 2. Liberty 3. Pursuit of happiness.

Q: How many Teaspoons in a Tablespoon? 2076 1

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

Answer: D) 3 Explanation: Tablespoon > Teaspoon In US & UK, 1 Tablespoon = 3 Teaspoons.

Q: India Wins Freedom is the autobiography of  ? 2073 1

  • 1
    Abul Kalam Azad
    Correct
    Wrong
  • 2
    L.K Adwani
    Correct
    Wrong
  • 3
    Rajendra Prasad
    Correct
    Wrong
  • 4
    Shubash Chandra Bose
    Correct
    Wrong
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Answer : 1. "Abul Kalam Azad"
Explanation :

Answer: A) Abul Kalam Azad Explanation: India Wins Freedom is the autobiography of Abul Kalam Azad.

Q: Excluding stoppages, the average speed of a bus is 60 km/hr and including stoppages, the average speed of the bus is 40 km/hr. For how many minutes does the bus stop per hour ? 2069 0

  • 1
    2 hrs
    Correct
    Wrong
  • 2
    20 min
    Correct
    Wrong
  • 3
    40 min
    Correct
    Wrong
  • 4
    30 min
    Correct
    Wrong
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Answer : 2. "20 min"
Explanation :

Answer: B) 20 min Explanation: In 1hr, the bus covers 60 km without stoppages and 40 km with stoppages. Stoppage time = time take to travel (60 - 40) km i.e 20 km at 60 km/hr. stoppage time = 20/60 hrs = 20 min.

Q: What has two hands but no arms or legs? 2069 0

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Answer :
Explanation :

A Clock has 3 hands i.e, an Hour hand, a Minute hand and a Seconds hand.

Q: 1 4 27 _  3125 46656 Find the missing number in the given series? 2067 0

  • 1
    125
    Correct
    Wrong
  • 2
    625
    Correct
    Wrong
  • 3
    404
    Correct
    Wrong
  • 4
    256
    Correct
    Wrong
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Answer : 4. "256"
Explanation :

Answer: D) 256 Explanation: It follows the rule that   1 2x2  3x3x3  4x4x4x4   5x5x5x5x5  ...   So the missing number is 4x4x4x4 = 256.

Q: The complexity of linear search algorithm is 2067 0

  • 1
    O(n2)
    Correct
    Wrong
  • 2
    O(n log n)
    Correct
    Wrong
  • 3
    O(n)
    Correct
    Wrong
  • 4
    O(log n)
    Correct
    Wrong
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Answer : 3. "O(n)"
Explanation :

Answer: C) O(n) Explanation: The worst case complexity of linear search is O(n).

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