IIT JEE Practice Question and Answer

Q: Now my value becomes ? 1526 0

  • 1
    5
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    15
    Correct
    Wrong
  • 4
    12
    Correct
    Wrong
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Answer : 2. "10"
Explanation :

Answer: B) 10 Explanation: In the first figure, number of triangles are 5. In the second, the figure becomes double then the number of triangles also doubles. i.e, 10.

Q: On dividing a number by 96, we get 271 as quotient and 0 as remainder. On dividing the same number by 95, what will be the remainder ? 1525 0

  • 1
    87
    Correct
    Wrong
  • 2
    59
    Correct
    Wrong
  • 3
    92
    Correct
    Wrong
  • 4
    81
    Correct
    Wrong
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Answer : 4. "81"
Explanation :

Answer: D) 81 Explanation: Number = 271 x 96 + 0 = 26016 => 95) 26016 (273           25935           --------              81 Required number = 81.

Q: Plant cells perform photosynthesis, which occurs in the 1525 0

  • 1
    Nucleus
    Correct
    Wrong
  • 2
    Mitochondria
    Correct
    Wrong
  • 3
    Cytoplasm
    Correct
    Wrong
  • 4
    Chloroplasts
    Correct
    Wrong
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Answer : 4. "Chloroplasts"
Explanation :

Answer: D) Chloroplasts Explanation: Photosynthesis takes place inside plant cells in small things called chloroplasts. Chloroplasts contain a green substance called chlorophyll and this absorbs the light energy needed to make photosynthesis happen.

Q: A motorboat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the motorboat and speed of the water current respectively? 1525 0

  • 1
    3:7
    Correct
    Wrong
  • 2
    7:9
    Correct
    Wrong
  • 3
    5:4
    Correct
    Wrong
  • 4
    8:3
    Correct
    Wrong
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Answer : 4. "8:3"
Explanation :

Answer: D) 8:3 Explanation: Let the man's rate upstream be x kmph and that downstream be y kmph. Then, distance covered upstream in 8 hrs 48 min = Distance covered downstream in 4 hrs. x x 8 4 = (y x 4) 5 44 x =4y 5  y = 11 x. 5  Required ratio = y + x : y - x 2 2    = 16x x 1 : 6x x 1 5 2 5 2    = 8 : 3 5 5    = 8 : 3.

Q: What is the name of a 12-year-old Indian-origin boy who has been crowned as the UK's 'child genius' in a popular television quiz competition ? 1524 0

  • 1
    Rahul Doshi
    Correct
    Wrong
  • 2
    Anshul Verma
    Correct
    Wrong
  • 3
    Ravi Sharma
    Correct
    Wrong
  • 4
    Ronan Kumar
    Correct
    Wrong
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Answer : 1. "Rahul Doshi"
Explanation :

Answer: A) Rahul Doshi Explanation:

Q: If rupee two produces rupees eleven over a period of 30 years, find the rate of simple interest ? 1524 0

  • 1
    17.25 %
    Correct
    Wrong
  • 2
    18.14 %
    Correct
    Wrong
  • 3
    18.33 %
    Correct
    Wrong
  • 4
    17.35 %
    Correct
    Wrong
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Answer : 3. "18.33 %"
Explanation :

Answer: C) 18.33 % Explanation: We know that I = PTR/100 11 = (2x30xR)/100 R = 18.333 %

Q: Which of the following is the largest unit of information? 1524 0

  • 1
    1 TB
    Correct
    Wrong
  • 2
    1 GB
    Correct
    Wrong
  • 3
    1 MB
    Correct
    Wrong
  • 4
    1 KB
    Correct
    Wrong
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Answer : 1. "1 TB"
Explanation :

Answer: A) 1 TB Explanation: 1 TB  >  1 GB  >  1 MB  >  1 KB   1 Tb (Tera Byte) = 1024 GB 1 GB (Giga Byte) = 1024 MB 1 MB (Mega Byte) = 1024 KB 1 KB (Kilo Byte) = 1024 Bytes 1 Byte = 8 Bit   Hence, largest unit of information is TB (Tera Byte) and smallest unit of information is Bit.

Q: Saving accounts usually offer ___ interest rates than checking accounts. 1524 0

  • 1
    Higher
    Correct
    Wrong
  • 2
    Lower
    Correct
    Wrong
  • 3
    Equal
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "Higher"
Explanation :

Answer: A) Higher Explanation: A savings account is the most basic type of account at a bank or credit union, allowing you to deposit money, keep the funds safe, and withdraw funds as needed. Savings accounts typically pay interest on your deposits, which helps you grow your money, but rates are relatively low on these low-risk accounts. A checking account is a deposit account held at a financial institution that allows withdrawals and deposits. Also called demand accounts or transactional accounts, checking accounts are very liquid and can be accessed using checks, automated teller machines and electronic debits, among other methods.   Hence, Saving accounts usually offer higher interest rates than checking accounts.

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