IIT JEE Practice Question and Answer

Q: Consent of the People means 1134 0

  • 1
    All the People
    Correct
    Wrong
  • 2
    Majority of People
    Correct
    Wrong
  • 3
    Leader of the People
    Correct
    Wrong
  • 4
    A few People
    Correct
    Wrong
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Answer : 2. "Majority of People"
Explanation :

Answer: B) Majority of People Explanation: Consent of the People means the Majority of People, as expressed by votes in elections. Consent of the governed refers to the idea that a government's legitimacy and moral right to use state power is only justified and lawful when consented to by the people or society over which that political power is exercised.

Q: How many words can be formed with or without meaning by using three letters out of k, l, m, n, o without repetition of alphabets. 1132 0

  • 1
    60
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    240
    Correct
    Wrong
  • 4
    30
    Correct
    Wrong
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Answer : 1. "60"
Explanation :

Answer: A) 60 Explanation: Given letters are k, l, m, n, o = 5 number of letters to be in the words = 3 Total number of words that can be formed from these 5 letters taken 3 at a time without repetation of letters = 5P3 ways. ⇒ 5P3 = 5 x 4 x 3 = 60 words.

Q: 9th BRICS summit was held in ___________ ? 1131 0

  • 1
    Beijing
    Correct
    Wrong
  • 2
    Shangai
    Correct
    Wrong
  • 3
    Xiamen
    Correct
    Wrong
  • 4
    Chengdu
    Correct
    Wrong
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Answer : 3. "Xiamen"
Explanation :

Answer: C) Xiamen Explanation: 9th BRICS summit was held in Xiamen, China with the theme "BRICS: Stronger Partnership for a Brighter Future".

Q: A Tank is normally filled in 9 hours but takes four hours longer to fill because of a leak in its bottom. If the tank is full, the leak will empty it in ? 1131 0

  • 1
    32.5 hrs
    Correct
    Wrong
  • 2
    29.25 hrs
    Correct
    Wrong
  • 3
    30.30 hrs
    Correct
    Wrong
  • 4
    31 hrs
    Correct
    Wrong
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Answer : 2. "29.25 hrs"
Explanation :

Answer: B) 29.25 hrs Explanation: Let the leak will empty the tank in x hrs  Then, 1/9 - 1/x = 1/13 x = 29.25 hrs

Q: Where are Enzymes found? 1131 0

  • 1
    food
    Correct
    Wrong
  • 2
    human body
    Correct
    Wrong
  • 3
    medicines
    Correct
    Wrong
  • 4
    none
    Correct
    Wrong
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Answer : 2. "human body"
Explanation :

Answer: B) human body Explanation: Enzymes play an essential role in each living cell of our body. Enzymes are globular proteins that control biological reactions. These are of two types. 1. Intracellular enzymes 2. Extracellular enzymes   Intracellular enzymes are found inside the cell. Extracellular enzymes act outside the cell.   Enzymes are produced by exocrine glands. Digestive enzymes of diverse specificities are secreted by the salivary glands, stomach, pancreas, and the small intestine.

Q: The World Music Day is celebrated across the world on 1129 0

  • 1
    June 26
    Correct
    Wrong
  • 2
    June 21
    Correct
    Wrong
  • 3
    June 17
    Correct
    Wrong
  • 4
    June 11
    Correct
    Wrong
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Answer : 2. "June 21"
Explanation :

Answer: B) June 21 Explanation: The World Music Day is celebrated across the world on 21 June.   The day is also known as 'Fete de la Musique' after a music festival that began in France in 1982.   This Day was first celebrated on 21st June 1982.

Q: Only For Geniuses Solve this MathPuzzle if you can? 1129 0

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Answer :
Explanation :

Let the required number be 'X' Condition 1 :   XX = 2X  => 2X2 = X => X = 12   Condition 2 : X × X = X2=> X = 12   Therefore, 12 is the number which becomes double when it is divided by itself and becomes half when it is multiplied by itself.

Q: Whether the last number 240 in the following series is according to the remaining numbers pattern ? 2, 4, 12, 48, 240 1129 0

  • 1
    TRUE
    Correct
    Wrong
  • 2
    FALSE Answer & Explanation Answer:
    Correct
    Wrong
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Answer : 1. "TRUE"
Explanation :

Answer: A) TRUE Explanation: The given series follows, 2 2 x 2 = 4 4 x 3 = 12 12 x 4 = 48 48 x 5 = 240.

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