GATE Practice Question and Answer

Q: There are five bags. In the first bag we put some fruits. Each bag the number of fruits is reduced by 1/4. The last bag contains 4. Then the number of fruits in the first bag is ? 1184 0

  • 1
    2596
    Correct
    Wrong
  • 2
    1024
    Correct
    Wrong
  • 3
    256
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 2. "1024"
Explanation :

Answer: B) 1024 Explanation: Fruits reduced by 1/4.Total no. of bags N = 5Formula to find no. of fruits in 1st bag = 4^nLast Bag = 4 fruits.That means, 4th bag = 4 x 4 = 16 fruits3rd bag = 16 x 4 = 64 fruits2nd bag = 64 x 4 = 256 fruits1st bag = 256 x 4= 1024 fruits.

Q: When a number is divided by 138 the remainder is 26. What will be the remainder if the same number is divided by 23 ? 1184 0

  • 1
    4
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    3
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 3. "3"
Explanation :

Answer: C) 3 Explanation: Number = quotient x divisor + remainder;so, herenumber = 138 k + 26=> (23 x 6k) + (23+3)=> 23(6k+1)+3so, remainder is 3.

Q: What happens during the bootstrap process? 1184 0

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Answer :
Explanation :

A bootstrap is the process of starting up a computer. It also refers to the program that initializes the operating system (OS) during start-up. It referred to a bootstrap load button that was used to initiate a hardwired bootstrap program, or smaller program that executed a larger program such as the OS.

Q: Nuclear Fission is caused by the impact of 1182 0

  • 1
    Electron
    Correct
    Wrong
  • 2
    Neutron
    Correct
    Wrong
  • 3
    Proton
    Correct
    Wrong
  • 4
    Deutron
    Correct
    Wrong
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Answer : 2. "Neutron"
Explanation :

Answer: B) Neutron Explanation: In nuclear physics, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei). The fission process often produces free neutrons and releases a very large amount of energy.   Thus, The Nuclear Fission is caused by the impact of Neutrons.

Q: Work done in a free expansion process is 1181 0

  • 1
    Minimun
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    Maximum
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "0"
Explanation :

Answer: B) 0 Explanation: No work done as there is no external external pressure in free expansion.    Hence, Work done in a free expansion process is Zero.

Q: Which of the following is a false statement? 1177 0

  • 1
    As bond order increases the strength of the bond increases
    Correct
    Wrong
  • 2
    Bond order is proportional to the bond length
    Correct
    Wrong
  • 3
    Molecules with negative bond order are highly unstable
    Correct
    Wrong
  • 4
    Bond order is inversely proportional to the bond length
    Correct
    Wrong
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Answer : 2. "Bond order is proportional to the bond length"
Explanation :

Answer: B) Bond order is proportional to the bond length Explanation: Bond order is proportional to the bond length is a False statement since Bond order is inversely proportional to the bond length.

Q: Praveena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest ? 1175 0

  • 1
    6
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    11
    Correct
    Wrong
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Answer : 1. "6"
Explanation :

Answer: A) 6 Explanation: Let rate = R% and time = R years.   Then, (1200 x R x R) / 100 = 432   => R = 6.

Q: GST Council has decided to keep a total of ________ items in the 28% slab, which was earlier 227. 1174 0

  • 1
    125
    Correct
    Wrong
  • 2
    87
    Correct
    Wrong
  • 3
    100
    Correct
    Wrong
  • 4
    50
    Correct
    Wrong
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Answer : 4. "50"
Explanation :

Answer: D) 50 Explanation: The GST Council on Nov 10th 2017 cut tax rates of over 175 products that were in the highest tax slab of 28% under the Goods and Services Tax (GST) regime.   Currently only 50 items have been left in the 28% category out of a total of 227 items that were present earlier.

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