IIT JEE Practice Question and Answer

Q: Which property classification would include tools? 1526 0

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Answer :
Explanation :

Durable property classification would include tools.  Nonexpendable property is property which has a continuing use, is not consumed in use, is of a durable nature with an expected service life of one or more years, has an acquisition cost of $300 or more, and does not become a fixture or lose its identity as a component of other equipment or plant.

Q: In how many different ways can the letters of the word 'ABYSMAL' be arranged ? 1524 0

  • 1
    5040
    Correct
    Wrong
  • 2
    3650
    Correct
    Wrong
  • 3
    4150
    Correct
    Wrong
  • 4
    2520
    Correct
    Wrong
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Answer : 4. "2520"
Explanation :

Answer: D) 2520 Explanation: Total number of letters in the word ABYSMAL are 7   Number of ways these 7 letters can be arranged are 7! ways   But the letter is repeated and this can be arranged in 2! ways   Total number of ways arranging ABYSMAL = 7!/2! = 5040/2 = 2520 ways.

Q: What is 85 of 352? 1524 0

  • 1
    21.5%
    Correct
    Wrong
  • 2
    24.14%
    Correct
    Wrong
  • 3
    23.68%
    Correct
    Wrong
  • 4
    25.47%
    Correct
    Wrong
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Answer : 2. "24.14%"
Explanation :

Answer: B) 24.14% Explanation: Here 85 of 352 => 85 is what percent in 352 Let p% of 352 is 85 Percentage(%) is generally calculated in the total of 100. => p x 352/100  = 85 => p = 8500/352  = 24.14%   Hence, 85 is 24.14% of 352.

Q: What state of matter is Jello? 1524 0

  • 1
    Liquid
    Correct
    Wrong
  • 2
    Solid
    Correct
    Wrong
  • 3
    Colloid
    Correct
    Wrong
  • 4
    Gas
    Correct
    Wrong
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Answer : 3. "Colloid"
Explanation :

Answer: C) Colloid Explanation: Jello is a colloid, a semi-rigid structure i.e, semi-solid suspended in a liquid. When you Heat it up a bit and you'll break the protein bonds of the gelatin and it will liquefy completely and if you freeze, it becomes solid.

Q: Which was the first Hydel power projects in India? 1522 0

  • 1
    Paikara in Tamilnadu
    Correct
    Wrong
  • 2
    Nizamsagar in Telangana
    Correct
    Wrong
  • 3
    Siva Samudram in Karnataka
    Correct
    Wrong
  • 4
    Palli vasal in Kerela
    Correct
    Wrong
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Answer : 3. "Siva Samudram in Karnataka"
Explanation :

Answer: C) Siva Samudram in Karnataka Explanation: Siva Samudram in Karnatka. The potential for hydroelectric power in India is one of the greatest in the world.   The first hydro-electric power station in India was established in Karnataka at "shivana samudra".

Q: The sum of one-half, one-third and one-fourth of a number exceeds the number by 22. The number is 1522 0

  • 1
    264
    Correct
    Wrong
  • 2
    284
    Correct
    Wrong
  • 3
    215
    Correct
    Wrong
  • 4
    302
    Correct
    Wrong
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Answer : 1. "264"
Explanation :

Answer: A) 264 Explanation: Let the number be 'x'. Then, from given data x/2 + x/3 + x/4 = x+2213x/12 = x+22x = 264

Q: 217 x 217 + 183 x 183 = ? 1522 0

  • 1
    84521
    Correct
    Wrong
  • 2
    87487
    Correct
    Wrong
  • 3
    80578
    Correct
    Wrong
  • 4
    78458
    Correct
    Wrong
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Answer : 3. "80578"
Explanation :

Answer: C) 80578 Explanation: 2172+1832   = 200+172+200-172   It is in the form of a+b2+a-b2=2a2+b2   = 2(40000 + 289) = 80578.

Q: Which is the largest coal producing country in the World? 1522 0

  • 1
    India
    Correct
    Wrong
  • 2
    China
    Correct
    Wrong
  • 3
    Russia
    Correct
    Wrong
  • 4
    New-zealand
    Correct
    Wrong
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Answer : 2. "China"
Explanation :

Answer: B) China Explanation: China has been by far the biggest coal producing country over the last three decades. The country produced about 3.6 billion tonnes (Bt) of coal in 2012 accounting for over 47% of the world's total coal output.

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