IIT JEE Practice Question and Answer

Q: A power that is vested in the president is 1562 0

  • 1
    legally guaranteed by the Supreme Court
    Correct
    Wrong
  • 2
    legally guaranteed by the Constitution
    Correct
    Wrong
  • 3
    subject to approval by the House
    Correct
    Wrong
  • 4
    subject to approval by the Senate
    Correct
    Wrong
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Answer : 2. "legally guaranteed by the Constitution"
Explanation :

Answer: B) legally guaranteed by the Constitution Explanation:

Q: Which Bank has launched 'Project Nishchay' in partnership with The Boston Consulting Group (BCG) ? 1561 0

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    SBI
    Correct
    Wrong
  • 2
    Dena Bank
    Correct
    Wrong
  • 3
    IDBI Bank
    Correct
    Wrong
  • 4
    Yes Bank
    Correct
    Wrong
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Answer : 3. "IDBI Bank"
Explanation :

Answer: C) IDBI Bank Explanation: IDBI Bank has launched 'Project Nishchay' in partnership with The Boston Consulting Group (BCG) to accelerate its turnaround programme and improve financial performance.

Q: What happens when two atoms form a chemical bond? 1560 0

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    Two atoms fuse together to form a chemical bond
    Correct
    Wrong
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    The atoms share or transfer electrons
    Correct
    Wrong
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    A chemical bond forms when two atoms transfer or share protons to achieve a stable nucleus
    Correct
    Wrong
  • 4
    Like charges in the atoms cause them to stick together
    Correct
    Wrong
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Answer : 2. "The atoms share or transfer electrons"
Explanation :

Answer: B) The atoms share or transfer electrons Explanation: All chemistry is based on sharing electrons. A chemical bond forms when two atoms transfer or share outer electrons to complete their outer shells.

Q: Rajeev's age is four more than the age of Shilpa. The age of Shilpa can be obtained by subtracting four times her age 4 years ago from the four times her age after 4 years. What was Rajeev's age before 4 years ? 1559 0

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    36 years
    Correct
    Wrong
  • 2
    28 years
    Correct
    Wrong
  • 3
    32 years
    Correct
    Wrong
  • 4
    40 years
    Correct
    Wrong
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Answer : 3. "32 years"
Explanation :

Answer: C) 32 years Explanation: Let Shilpa's present age is p years According to question, p = 4(x+4) – 4(x–4) p = 4x+16 – 4x+16 p = 32 Shilpa's present age = 32 years Rajeev is four years older than Shilpa => Shilpa's present age = Rajeev's age 4 years before. => Rajeev's age 4 years before = 32 years.

Q: 'Minamata' disease was caused by ? 1559 0

  • 1
    Lead
    Correct
    Wrong
  • 2
    Mercury
    Correct
    Wrong
  • 3
    Cadmium
    Correct
    Wrong
  • 4
    Zinc
    Correct
    Wrong
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Answer : 2. "Mercury"
Explanation :

Answer: B) Mercury Explanation:

Q: How many weekends in a year? 1559 0

  • 1
    52
    Correct
    Wrong
  • 2
    53
    Correct
    Wrong
  • 3
    103
    Correct
    Wrong
  • 4
    104
    Correct
    Wrong
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Answer : 4. "104"
Explanation :

Answer: D) 104 Explanation: In normal we have 104 Weekend Days. We know that a Each normal year has 365 days or 52 weeks plus one day, and each week has two weekend days, which means there are approximately 104 weekend days each year. Whereas in a leap year we have 366 days it adds one more day to the year. And what makes the change is the starting day of the year.

Q: Two trains of equal length are running on parallel lines in the same direction at 36 km/hr and 26 km/hr. The faster train passes the slower train in 36 sec. The length of each train is ? 1558 0

  • 1
    28 mts
    Correct
    Wrong
  • 2
    54 mts
    Correct
    Wrong
  • 3
    24 mts
    Correct
    Wrong
  • 4
    50 mts
    Correct
    Wrong
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Answer : 4. "50 mts"
Explanation :

Answer: D) 50 mts Explanation: Let the length of each train be x mts. Then, distance covered = 2x mts. Relative speed = 36 - 26 = 10 km/hr. = 10 x 5/18 = 25/9 m/sec. 2x/36 = 25/9 => x = 50 mts.

Q: Pointing to a photograph, a woman says, "This man's son's sister is my mother-in-law." How is the woman's husband related to the man in the photograph ? 1558 0

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    son
    Correct
    Wrong
  • 2
    nephew
    Correct
    Wrong
  • 3
    grandson
    Correct
    Wrong
  • 4
    son-in-law
    Correct
    Wrong
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Answer : 3. "grandson"
Explanation :

Answer: C) grandson Explanation: Man's son's sister---Man's daughter.So, the man's daughter is the mother of the woman's husband. Thus, the woman's husband is the grandson of the man in the photograph.

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