GATE Practice Question and Answer

Q: 8(6+5) - 10 =? 1514 0

  • 1
    76
    Correct
    Wrong
  • 2
    78
    Correct
    Wrong
  • 3
    80
    Correct
    Wrong
  • 4
    82
    Correct
    Wrong
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Answer : 2. "78"
Explanation :

Answer: B) 78 Explanation: 8(6+5) - 10 = ? ? = 8(11) - 10 ? = 88 - 10 ? = 78.

Q: Shares of a company given in exchange for work done are called ? 1513 0

  • 1
    Secondary shares
    Correct
    Wrong
  • 2
    Hot equity
    Correct
    Wrong
  • 3
    Preferential shares
    Correct
    Wrong
  • 4
    Sweat equity shares
    Correct
    Wrong
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Answer : 4. "Sweat equity shares"
Explanation :

Answer: D) Sweat equity shares Explanation: A sweat equity share is an equity share issued by the company to employees or directors at a discount or for consideration other than cash for providing know-how or making available rights in the nature of intellectual property rights or value additions.

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Answer : 3. "(3)"
Explanation :

Answer: C) (3) Explanation: 'provision' should replace 'provisional'.   A noun is required here and provisional is an adjective. Provision means supplies whereas provisional means temporary or contingent.

Q: What does one mole of H2O correspond to 1510 0

  • 1
    16 gms
    Correct
    Wrong
  • 2
    18 gms
    Correct
    Wrong
  • 3
    20 gms
    Correct
    Wrong
  • 4
    22 gms
    Correct
    Wrong
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Answer : 2. "18 gms"
Explanation :

Answer: B) 18 gms Explanation: The molar mass of H2O can be calculated as the following. M(H2O)= [2 x M(H)] + [M(O)]. And we know that M(H) = 1g/mol, M(O) = 16g/mol. So, M(H2O)= 2x1 + 16 = 18g/mol, That means 1 mole of H2O contains 18g.   Hence, one mole of H2O corresponds to 18 grams.

Q: K men agree to donate a gift of Rs. L to trust. If three men drop out how much more will each have to contribute towards the purchase of the gift ? 1510 0

  • 1
    L / (k-3)
    Correct
    Wrong
  • 2
    k / (L-3)
    Correct
    Wrong
  • 3
    2K / 3L-K
    Correct
    Wrong
  • 4
    3L / K(K-3)
    Correct
    Wrong
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Answer : 4. "3L / K(K-3)"
Explanation :

Answer: D) 3L / K(K-3) Explanation: Intial contribution = L/KAfter 3 men drop, then contribution =L/K-3The amount more to pay in contribution = LK-3 - LK   = 3LK(K-3)

Q: What has a ring but no finger? 1509 0

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Answer :
Explanation :

A Telephone or an Alarm...

Q: Which formula represents a nonpolar molecule? 1509 0

  • 1
    H2O
    Correct
    Wrong
  • 2
    CF4
    Correct
    Wrong
  • 3
    HCl
    Correct
    Wrong
  • 4
    H2S
    Correct
    Wrong
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Answer : 2. "CF4"
Explanation :

Answer: B) CF4 Explanation: You have to consider three things. 1. First, are the bonds polar? Look at differences in electronegativity and if  it is >0.5, bonds are polar.   2. Second, does the molecule have unshared electron pairs? If so, they generally lead to a polar molecule.   3. Third, is the molecule symmetric? If so, then although the bonds may be polar, the symmetry cancels out the individual bond polarity and the molecule is non polar. CF4 follows all the rules above and has a symmetric distribution of charge, making it nonpolar. The others all have asymmetric charge distributions.   Hence, CF4 represents a Non-polar molecule.

Q: Hemavathi gets 3 marks for each right sum and loses 2 marks for each wrong sum. He attempts 35 sums and obtains 60 marks. The number of sums attempted correctly is ? 1508 0

  • 1
    23
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    26
    Correct
    Wrong
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Answer : 4. "26"
Explanation :

Answer: D) 26 Explanation: Let, Hema attempted 'k' sum correctly, then k x 3 -2 x(35-k) = 605k = 130k = 26 so 26 correct sums.

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