IIT JEE Practice Question and Answer

Q: What is a Solution and what are the two parts of a solution? 1429 0

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Answer :
Explanation :

A solution is a homogeneous type of mixture of two or more substances. A solution has two parts:: 1. A solute and 2. A solvent.   The solute is the substance that dissolves, and the solvent is the majority of the solution.

Q: Who has been appointed as the Election Commissioner of India  ? 1428 0

  • 1
    S. Y. Quraishi
    Correct
    Wrong
  • 2
    Sunil Arora
    Correct
    Wrong
  • 3
    H. S. Brahma
    Correct
    Wrong
  • 4
    Nasim Zaidi
    Correct
    Wrong
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Answer : 2. "Sunil Arora"
Explanation :

Answer: B) Sunil Arora Explanation:

Q: What animals eat both producers and consumers? 1428 0

  • 1
    Herbivores
    Correct
    Wrong
  • 2
    Omnivores
    Correct
    Wrong
  • 3
    Carnivores
    Correct
    Wrong
  • 4
    Tertiary consumers
    Correct
    Wrong
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Answer : 2. "Omnivores"
Explanation :

Answer: B) Omnivores Explanation: Animals and people who eat both animals and plants i.e, both producers and consumers are called omnivores.

Q: Father of Email 1428 0

  • 1
    A
    Correct
    Wrong
  • 2
    B
    Correct
    Wrong
  • 3
    C
    Correct
    Wrong
  • 4
    D
    Correct
    Wrong
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Answer : 2. "B"
Explanation :

Answer: B) B Explanation: Ray Tomilson

Q: How many more words can be formed by using the letters of the given word 'CREATIVITY'? 1428 0

  • 1
    851250
    Correct
    Wrong
  • 2
    751210
    Correct
    Wrong
  • 3
    362880
    Correct
    Wrong
  • 4
    907200
    Correct
    Wrong
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Answer : 4. "907200"
Explanation :

Answer: D) 907200 Explanation: The number of letters in the given word CREATIVITY = 10   Here T & I letters are repeated   => Number of Words that can be formed from CREATIVITY = 10!/2!x2! = 3628800/4 = 907200

Q: FIFA 2018 World Cup won by 1427 0

  • 1
    Croatia
    Correct
    Wrong
  • 2
    Brazil
    Correct
    Wrong
  • 3
    Argentina
    Correct
    Wrong
  • 4
    France
    Correct
    Wrong
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Answer : 4. "France"
Explanation :

Answer: D) France Explanation: France national football team has won the FIFA 2018 - an international football tournament contested by the men's national teams of the member associations of FIFA once every four years. It took place in Russia from 14 June to 15 July 2018.

Q: What is the capital of Bhutan ? 1427 0

  • 1
    Dhaka
    Correct
    Wrong
  • 2
    Thimphu
    Correct
    Wrong
  • 3
    Tripoli
    Correct
    Wrong
  • 4
    Tokyo
    Correct
    Wrong
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Answer : 2. "Thimphu"
Explanation :

Answer: B) Thimphu Explanation:

Q: Mohan spends 23% of an amount of money on an insurance policy, 33% on food, 19% on children’s education and 16% on recreation. He deposits the remaining amount of Rs. 504 in bank. How much amount does he spend on food and insurance policy together? 1427 0

  • 1
    Rs. 2326
    Correct
    Wrong
  • 2
    Rs. 5876
    Correct
    Wrong
  • 3
    Rs. 1741
    Correct
    Wrong
  • 4
    Rs. 3136
    Correct
    Wrong
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Answer : 4. "Rs. 3136"
Explanation :

Answer: D) Rs. 3136 Explanation: Let total amount = Rs. P Total expenditure = (23 + 33 + 19 + 16)% of P = 91%ofP Remaining money = (100 - 91)% of P = 9% of P But given in the question that, 9% of P = 504 9p/100 = 504 => P = 50400/9 => P = Rs. 5600   Required money spent on Food & Insurance = 23 + 33 % = 56% of 5600 = 56 x 5600/100 = 56 x 56 = Rs. 3136

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