IIT JEE Practice Question and Answer

Q: What are the Multiples of 6 and the Common Multiples of 4 and 6? 1906 0

  • 1
    12, 34, 42
    Correct
    Wrong
  • 2
    12, 18, 36,
    Correct
    Wrong
  • 3
    6, 4, 14
    Correct
    Wrong
  • 4
    4, 8, 16
    Correct
    Wrong
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Answer : 2. "12, 18, 36,"
Explanation :

Answer: B) 12, 18, 36, Explanation: The Multiples of 6 are 6, 12, 18, 24, 30, 36, 42, 48, 54, 60. The Multiples of 4 are 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60. The Common Multiples of 4 & 6 upto 60 numbers are given as 12, 24, 36, 48, 60.

Q: The price of pulses has increased by 25%. The percentage of reduction that a family should effect in the use of pulses so as not to increase the expenditure on this account is ? 1906 0

  • 1
    16%
    Correct
    Wrong
  • 2
    20%
    Correct
    Wrong
  • 3
    84%
    Correct
    Wrong
  • 4
    72%
    Correct
    Wrong
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Answer : 2. "20%"
Explanation :

Answer: B) 20% Explanation: Reduction in consumption= P100+P X 100%= 25100+25 X 100%= 20%

Q: MONEX is associated with 1906 0

  • 1
    Monetary experiment
    Correct
    Wrong
  • 2
    Lunar experiment
    Correct
    Wrong
  • 3
    Montreal experiment
    Correct
    Wrong
  • 4
    Monsoon experiment
    Correct
    Wrong
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Answer : 4. "Monsoon experiment"
Explanation :

Answer: D) Monsoon experiment Explanation: Monsoon experiment is abbreviated as MONEX.   The Monsoon Experiment is the core of the GARP Monsoon Subprogramme, which is a major international effort to achieve a better understanding of the Planetary monsoon circulation, the major seasonal perturbation of the general circulation of the atmosphere and the influence of the annual cycle of precipitation associated with the monsoon on the agriculture of the many populous nations of the region.   Hence, MONEX is associated with The Monsoon Experiment.

Q: Which of the Following is an Amorphous solid? 1905 0

  • 1
    Quartz Glass(Sio2)
    Correct
    Wrong
  • 2
    Chrome Alum
    Correct
    Wrong
  • 3
    Silicon Carbide(SiC)
    Correct
    Wrong
  • 4
    Graphite
    Correct
    Wrong
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Answer : 1. "Quartz Glass(Sio2)"
Explanation :

Answer: A) Quartz Glass(Sio2) Explanation: An amorphous or non-crystalline solid is a solid that lacks the long-range order that is characteristic of a crystal. In Brief, An amorphous solid is any noncrystalline solid in which the atoms and molecules are not organized in a definite lattice pattern. Such solids include glass, plastic, and gel. Quartz glass (SiO2) is an amorphous solid due to its short range order of constituent particles. Note Quartz is a crystalline solid while quartz glass is an amorphous solid.

Q: General Knowledge Challenge : 1905 0

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

Answer: C) 3 Explanation:

Q: What gets broken without being held? 1904 0

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Answer :
Explanation :

Yes, a promise can be broken without being held.

Q: A watch which gains uniformly is 2 minutes low at noon on Tuesday and is 4 min 48 sec fast at 2 p.m. on the following Tuesday. When was it correct ? 1903 0

  • 1
    12 p.m. on Wednesday
    Correct
    Wrong
  • 2
    2 p.m. on Thursday
    Correct
    Wrong
  • 3
    3 p.m. on Thursday
    Correct
    Wrong
  • 4
    2 p.m. on Wednesday
    Correct
    Wrong
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Answer : 2. "2 p.m. on Thursday"
Explanation :

Answer: B) 2 p.m. on Thursday Explanation: Time from 12 p.m. on Tuesday to 2 p.m. on the following Tuesday = 7 days 2 hours.= 170 hours.The watch gains = (2 + 4 x 4/5) min= 34/5 min. in 170 hrs.Now, 34/5 min are gained in 170 hrs.Then, 2 min are gained in (170 x 5/34 x 2) hrs.Watch is correct after 2 days 2 hrs after 12 p.m. on Tuesday, i.e., it will be correct at 2 p.m. on Thursday.

Q: 11 P in a CT 1902 0

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Answer :
Explanation :

11 P in a CT means 11 Players in a Cricket Team.

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