IIT JEE Practice Question and Answer

Q: Interest is usually associated with 1989 0

  • 1
    doubtful accounts
    Correct
    Wrong
  • 2
    bad debts
    Correct
    Wrong
  • 3
    accounts receivable
    Correct
    Wrong
  • 4
    notes receivable
    Correct
    Wrong
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Answer : 4. "notes receivable"
Explanation :

Answer: D) notes receivable Explanation: Interest is usually associated with notes receivable.

Q: In oceania, most towns began as 1187 0

  • 1
    Colonial ports
    Correct
    Wrong
  • 2
    plantations
    Correct
    Wrong
  • 3
    tribal ritual centers
    Correct
    Wrong
  • 4
    capital cities
    Correct
    Wrong
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Answer : 1. "Colonial ports"
Explanation :

Answer: A) Colonial ports Explanation: Oceania is a geographic region comprising Melanesia, Micronesia, Polynesia and Australasia. In Oceani, most towns began as Colonial Ports.

Q: In a class 60% of the students pass in English and 45% pass in Hindi. If 25% of them pass in both subjects, what percentage of the students fail in both the subjects? 2331 0

  • 1
    20%
    Correct
    Wrong
  • 2
    25%
    Correct
    Wrong
  • 3
    30%
    Correct
    Wrong
  • 4
    15%
    Correct
    Wrong
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Answer : 1. "20%"
Explanation :

Answer: A) 20% Explanation: Percentage of students passed in English = 60% Percentage of students passed in Hindi = 45% Percentage of students passed in both subjects = 25% ATQ, Percentage of students passed in only English = 60 - 25 = 35% Percentage of students passed in only Hindi = 45 - 25 = 20% Therefore, Percentage of students failed = 100 - (35 + 25 + 20) = 100 - 80 = 20%.

Q: The brain of any computer system is 1895 1

  • 1
    CPU
    Correct
    Wrong
  • 2
    Memory
    Correct
    Wrong
  • 3
    Control
    Correct
    Wrong
  • 4
    ALU
    Correct
    Wrong
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Answer : 1. "CPU"
Explanation :

Answer: A) CPU Explanation: Central Processing Unit (CPU) is the brain of any computer system.

Q: Complete the next number in the given number series? 21 56 102 160 231 316 2228 0

  • 1
    416
    Correct
    Wrong
  • 2
    415
    Correct
    Wrong
  • 3
    414
    Correct
    Wrong
  • 4
    413
    Correct
    Wrong
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Answer : 1. "416"
Explanation :

Answer: A) 416 Explanation: The given number series is  21 56 102 160 231 316   21      56       102        160      231       316         416    +35    +46       +58       +71      +85       +100         +11      +12       +13      +14      +15   Hence, the next number in the given number series is 316 + 100 = 416.

Q: Which best describes Genes? 2050 0

  • 1
    long, double chains of nucleic acids.
    Correct
    Wrong
  • 2
    long, single chains of amino acids.
    Correct
    Wrong
  • 3
    long, single chains of nucleic acids.
    Correct
    Wrong
  • 4
    long, double chains of amino acids.
    Correct
    Wrong
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Answer : 1. "long, double chains of nucleic acids."
Explanation :

Answer: A) long, double chains of nucleic acids. Explanation: Gene is a segment of chromosomal DNA or a sequence of DNA or RNA that codes for a molecule that has a function. It is the basic physical and functional unit of heredity.   As genes are made up of DNA it impies that they are long, double chains of nucleic acids as DNA is made of nucleic acids.

Q: Simplify the following equation 55.55 + 155 + 15.55 + 0.5 + 0.05 = ? 2244 0

  • 1
    226.65
    Correct
    Wrong
  • 2
    196.55
    Correct
    Wrong
  • 3
    202.35
    Correct
    Wrong
  • 4
    216.66
    Correct
    Wrong
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Answer : 1. "226.65"
Explanation :

Answer: A) 226.65 Explanation: 55.55 + 155 + 15.55 + 0.5 + 0.05 = ?    55.55 155.00  15.55    0.5    0.05 _______ 226.65 _______   Hence, the value of the given equation 55.55 + 155 + 15.55 + 0.5 + 0.05 = 226.65.

Q: The shadow zone exists because 1897 0

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Answer :
Explanation :

The shadow zone is the area of the earth from angular distances of 104 to 140 degrees from a given earthquake that does not receive any direct P waves. The shadow zone results from S waves being stopped entirely by the liquid core and P waves being bent (refracted) by the liquid core. There are two types of Shadow zones: one for P waves and one for S waves.   P wave shadows between 104-140 degree, both sides; S wave shadow from 105 of one side to 105 of the other.

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