IIT JEE Practice Question and Answer

Q: 10 25 45 54 60 75 85 Find the Odd Number? 1840 0

  • 1
    54
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    45
    Correct
    Wrong
  • 4
    85
    Correct
    Wrong
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Answer : 1. "54"
Explanation :

Answer: A) 54 Explanation: In given Series, all the numbers except 54 are multiples of 5.

Q: How are ip addresses available to the internet classified? 1838 0

  • 1
    Static
    Correct
    Wrong
  • 2
    Public
    Correct
    Wrong
  • 3
    Private
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "Public"
Explanation :

Answer: B) Public Explanation: An IP address (internet protocol address) is a numerical representation that uniquely identifies a specific interface on the network. Addresses in IPv4 are 32-bits long. This allows for a maximum of 4,294,967,296 (2^32) unique addresses. Addresses in IPv6 are 128-bits, which allows for 3.4 x 1038 (2^128) unique addresses.   IP addresses available to the internet are classified as Public.

Q: Twenty times a positive integer is less than its square by 96. What is the integer ? 1838 0

  • 1
    42
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    48
    Correct
    Wrong
  • 4
    24
    Correct
    Wrong
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Answer : 4. "24"
Explanation :

Answer: D) 24 Explanation: Let the integer be x. Then, x2 - 20x = 96 (x + 4)(x - 24) = 0 x = 24

Q: Find the next number in the given number series? 0, 3, 8, 15, 24, ? 1838 0

  • 1
    35
    Correct
    Wrong
  • 2
    37
    Correct
    Wrong
  • 3
    34
    Correct
    Wrong
  • 4
    36
    Correct
    Wrong
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Answer : 1. "35"
Explanation :

Answer: A) 35 Explanation: Here the given number series is 0, 3, 8, 15, 24, ? The next number in the given series can be found such a way that the number series follows a pattern, 22 - 4 = 032 - 6 = 342  - 8 = 852 - 10 = 1562 - 12 = 2472 - 14 = 35Hence, the next number in the iven series is 35.

Q: Which statement describes decomposers? 1838 0

  • 1
    Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems.
    Correct
    Wrong
  • 2
    Decomposers can produce their own source of energy and can sometimes act as primary producers.
    Correct
    Wrong
  • 3
    Decomposers are those organisms that recycle matter in the ecosystem..
    Correct
    Wrong
  • 4
    All the above
    Correct
    Wrong
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Answer : 3. "Decomposers are those organisms that recycle matter in the ecosystem.."
Explanation :

Answer: C) Decomposers are those organisms that recycle matter in the ecosystem.. Explanation: Decomposers are organisms that break down dead or decaying organisms, and in doing so, they carry out the natural process of decomposition.   The statement "Decomposers are those organisms that recycle matter in the ecosystem" describes decomposers.

Q: 7 C in the R? 1838 0

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Answer :
Explanation :

The given letter equation implies that,   7 C in the R = 7 Colours in a Rainbow.

Q: Parallel construction means that you 1838 0

  • 1
    give both sides of the argument in your essay.
    Correct
    Wrong
  • 2
    begin each paragraph of your essay in the same way.
    Correct
    Wrong
  • 3
    use the same grammatical construction in all similar headings throughout an outline.
    Correct
    Wrong
  • 4
    repeat the first paragraph of your essay as the last paragraph.
    Correct
    Wrong
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Answer : 3. "use the same grammatical construction in all similar headings throughout an outline."
Explanation :

Answer: C) use the same grammatical construction in all similar headings throughout an outline. Explanation:

Q: Compound interest on a certain sum of money at 20% per annum for 2 years is Rs.5995. What is the SI on the same money at 8% per annum for 6 years ? 1837 0

  • 1
    Rs. 5989
    Correct
    Wrong
  • 2
    Rs. 6540
    Correct
    Wrong
  • 3
    Rs. 7844
    Correct
    Wrong
  • 4
    Rs. 6789
    Correct
    Wrong
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Answer : 2. "Rs. 6540"
Explanation :

Answer: B) Rs. 6540 Explanation: Given C.I = 5984, R = 20% , T = 2yrs  C.I = P1+201002-1   5984 =    => P = (5995x25)/11   P = Rs. 13625   Now S.I = PTR/100   SI = (13625 x 8 x 6)/100 = Rs. 6540

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