IIT JEE Practice Question and Answer

Q: If 4th december 1999 is Monday then what day is 3rd january 2000 ? 3044 0

  • 1
    Sunday
    Correct
    Wrong
  • 2
    Monday
    Correct
    Wrong
  • 3
    Tuesday
    Correct
    Wrong
  • 4
    Wednesday
    Correct
    Wrong
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Answer : 4. "Wednesday"
Explanation :

Answer: D) Wednesday Explanation: Here from 4th December 1999 to 3rd January 2000,there is a difference of 30 days.Number of odd days = 30/7 = 2 odd days Then no. of odd days = 2 => tuesday and wednesday(from monday). Hence on 3rd january it is wednesday.

Q: Word length of a personal computer is 3039 0

  • 1
    32 bit
    Correct
    Wrong
  • 2
    16 bit
    Correct
    Wrong
  • 3
    8 bit
    Correct
    Wrong
  • 4
    4 bit
    Correct
    Wrong
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Answer : 3. "8 bit"
Explanation :

Answer: C) 8 bit Explanation: Word length refers to the number of bits processed by a computer's CPU in one go. These days, typically 32 bits or 64 bits are used. Data bus size, instruction size, address size are usually multiples of the word size.

Q: Find the next number in the given series ? 3, 7, 6, 5, 9, 3, 12, 1, 15, . . . 3035 0

  • 1
    2
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    -1
    Correct
    Wrong
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Answer : 4. "-1"
Explanation :

Answer: D) -1 Explanation: 3, 7, 6, 5, 9, 3, 12, 1, 15, ... has two different series 1) 3, 6, 9, 12, 15..... 2) 7, 5, 3, 1, ..... -1 is the next number.

Q: The brain of any computer system is 3034 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: The average age of seven persons sitting in a row facing east is 26 years. If the average age of the first three persons is 19 years and the average age of the last three persons is 32 years, then find the age of the person sitting in the middle of the row ? 3033 0

  • 1
    32 yrs
    Correct
    Wrong
  • 2
    29 yrs
    Correct
    Wrong
  • 3
    24 yrs
    Correct
    Wrong
  • 4
    27 yrs
    Correct
    Wrong
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Answer : 2. "29 yrs"
Explanation :

Answer: B) 29 yrs Explanation: Total age seven persons = (26 x 7)yearsTotal age of the first three persons and the last three persons are (19 x 3) years and (32 x 3) years respectively.Age of the person sitting in the middle of the row = 26 x 7 - 19 x 3 - 32 x 3 = 182 - 57 - 96 = 29 years.

Q: Which of these investments may pay dividends? 3027 0

  • 1
    Savings account
    Correct
    Wrong
  • 2
    Stocks
    Correct
    Wrong
  • 3
    Bonds
    Correct
    Wrong
  • 4
    Certificates of deposit
    Correct
    Wrong
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Answer : 2. "Stocks"
Explanation :

Answer: B) Stocks Explanation: Stock investment may pay the dividends. The amount of dividend will be depended on how many stocks you own and how much is that's company net income in that year For example : If you own 15 % of the company, and the company announced that they will pay Rs. 1,00,000 as dividend this year, you will get dividend payment of Rs. 15,000.

Q: What is the IUPAC name for the following compound?   H3C-C≡C-H 3022 0

  • 1
    Acetylene
    Correct
    Wrong
  • 2
    Methyl acetylene
    Correct
    Wrong
  • 3
    Butanol
    Correct
    Wrong
  • 4
    Decanoic Acid
    Correct
    Wrong
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Answer : 2. "Methyl acetylene"
Explanation :

Answer: B) Methyl acetylene Explanation: The IUPAC name of the compound is Methyl Acetylene or Propyne.

Q: Entomology is the science that studies 3021 0

  • 1
    Insects
    Correct
    Wrong
  • 2
    Behaviour of Human beigns
    Correct
    Wrong
  • 3
    Scientific Names
    Correct
    Wrong
  • 4
    Formation of Rocks
    Correct
    Wrong
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Answer : 1. "Insects"
Explanation :

Answer: A) Insects Explanation: Entomology is the science branch of Zoology that studies Insects.

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