IIT JEE Practice Question and Answer

Q: The clipboard 2336 1

  • 1
    is a Cache memory
    Correct
    Wrong
  • 2
    is a feature that stores user information
    Correct
    Wrong
  • 3
    is used to temporarily store, items that has been cut or copied
    Correct
    Wrong
  • 4
    is a feature that saves file temporarily
    Correct
    Wrong
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Answer : 3. "is used to temporarily store, items that has been cut or copied"
Explanation :

Answer: C) is used to temporarily store, items that has been cut or copied Explanation: A clipboard is a temporary storage area for items that the user wants to cut or copy from one place to another.   For example, in a word processor application, the user might want to cut text from one part of a document and paste it in another part of the document or somewhere else, it is temporarily stored in clipboard.

Q: Only if Sheela is happy, then she does not go to work. 2336 0

  • 1
    Sheela is not happy and she goes to work.
    Correct
    Wrong
  • 2
    Sheela is happy and she does not go to work
    Correct
    Wrong
  • 3
    Sheela is not happy and she does not go to work.
    Correct
    Wrong
  • 4
    Sheela is happy and she goes to work.
    Correct
    Wrong
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Answer : 1. "Sheela is not happy and she goes to work."
Explanation :

Answer: A) Sheela is not happy and she goes to work. Explanation: The event of "Sheela is not going to work" happens only when the event "Sheela is happy" happens. Also, if the event "Sheela is happy" does not happen, then the event "Sheela is not going to work" will not happen. In other words, if it is true that Sheela is not happy, then it means that Sheela is going to work.

Q: Which fraction comes next in the sequence 23, 13, 527, 781, ? 2336 0

  • 1
    1/27
    Correct
    Wrong
  • 2
    11/278
    Correct
    Wrong
  • 3
    9/48
    Correct
    Wrong
  • 4
    7/123
    Correct
    Wrong
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Answer : 1. "1/27"
Explanation :

Answer: A) 1/27 Explanation: Clearly, the numerators of the fractions in the given sequence follow the series of 2, 3, 5, 7,... and the denominator follows 3, 9, 27, 81, 243, ...Then, the next term in the given sequence is  935 = 9243 = 127 .

Q: What will be the cost of building a fence around a square plot with area equal to 289 sq ft, if the price per foot of building the fence is Rs. 58 ? 2335 0

  • 1
    Rs. 3748
    Correct
    Wrong
  • 2
    Rs. 3847
    Correct
    Wrong
  • 3
    Rs. 3944
    Correct
    Wrong
  • 4
    Rs. 3154
    Correct
    Wrong
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Answer : 3. "Rs. 3944"
Explanation :

Answer: C) Rs. 3944 Explanation: Let the side of the square plot be 'a' ft.Given area of the plot (a x a) = 289 => a = 17Length of the fence = Perimeter of the plot = 4a = 68 ft.Cost of building the fence = 68 x 58 = Rs. 3944.

Q: Which expression is equivalent to i233? 2335 0

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

Answer: A) i Explanation: We know that, i2 = -1i3 = i2 x i = -1 x i = -ii4 = i2 x i2 = -1 x -1 = 1Hence, i233  =i4 x 58 + 1 = i232 x i1 = 1 x i = i

Q: Assertive sentences examples list. 2335 0

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Answer :
Explanation :

An assertive sentence is a sentence that state, assert, or declare something. It means it is a simple statement making thing. As it declares something, is also called as Declarative sentence.       Examples of assertive sentence or statements ::   1. Anamika loves him very much.   2. He picks her daily.   3. Attitude is everything.   4. The sun sets in the west.   5. She likes roses.   6. He is a student.   7. Karthik planned a tour.   8. Peacock is a beautiful bird.   9. India is our country.   10. Joel want to be a doctor.

Q: Which of the following statements about Woodrow Wilson is true? 2334 0

  • 1
    He wanted to place strict government controls on corporations.
    Correct
    Wrong
  • 2
    He overturned discriminatory laws against African Americans.
    Correct
    Wrong
  • 3
    He advocated eliminating the income tax.
    Correct
    Wrong
  • 4
    He opposed reforms to the banking system.
    Correct
    Wrong
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Answer : 1. "He wanted to place strict government controls on corporations."
Explanation :

Answer: A) He wanted to place strict government controls on corporations. Explanation: Woodrow Wilson was one of the major "Progressives" in American government and so 'He wanted to place strict government controls on corporations.'

Q: A shop keeper sells an article at a loss of 8%, but when he increases the selling price of the article by Rs. 164 he earns a profit of 2.25% on the cost price. If he sells the same article at Rs. 1760, what is his profit percentage? 2332 0

  • 1
    2.5%
    Correct
    Wrong
  • 2
    5%
    Correct
    Wrong
  • 3
    10%
    Correct
    Wrong
  • 4
    7.5%
    Correct
    Wrong
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Answer : 3. "10%"
Explanation :

Answer: C) 10% Explanation: According to the given data, Let Cost price of the article be 'cp' Then, 102.25 cp - 92 cp = 164 x 100 10.25 cp = 16400 cp = 1600 Now, if he sells at Rs. 1760 Profit = 1760 - 1600 = 160   Profit% = 160/1600 x 100 = 10%.

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