GATE Practice Question and Answer

Q: 'Brothers and sisters, I have none. But that man's father is my father's son'.How I and that man are related respectively? 1973 0

  • 1
    Father & Son
    Correct
    Wrong
  • 2
    Brothers
    Correct
    Wrong
  • 3
    Son & Father
    Correct
    Wrong
  • 4
    Nephews
    Correct
    Wrong
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Answer : 1. "Father & Son"
Explanation :

Answer: A) Father & Son Explanation: Given that man's father is my father's son => Me because i have no brothers => Mans father is me. Hence, that man is my Son.

Q: The number of sequences in which 4 players can sing a song, so that the youngest player may not be the last is ? 1973 0

  • 1
    2580
    Correct
    Wrong
  • 2
    3687
    Correct
    Wrong
  • 3
    4320
    Correct
    Wrong
  • 4
    5460
    Correct
    Wrong
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Answer : 3. "4320"
Explanation :

Answer: C) 4320 Explanation: Let 'Y' be the youngest player. The last song can be sung by any of the remaining 3 players. The first 3 players can sing the song in (3!) ways. The required number of ways = 3(3!) = 4320.

Q: Shares of a company given in exchange for work done are called ? 1973 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.

Q: Air pressure is measured in which of the following units? 1971 0

  • 1
    Steridian
    Correct
    Wrong
  • 2
    kg/mts
    Correct
    Wrong
  • 3
    Newton
    Correct
    Wrong
  • 4
    Pascal
    Correct
    Wrong
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Answer : 4. "Pascal"
Explanation :

Answer: D) Pascal Explanation: Pressure = (Net Force) / (Applied area) = Newton / square meters Measuring units of pressure are: . Pascal. Bar. Torr. Pounds per square inch (psi). Standard atmosphere (atm).

Q: Solve if you are Genius? 1970 0

  • 1
    36
    Correct
    Wrong
  • 2
    42
    Correct
    Wrong
  • 3
    48
    Correct
    Wrong
  • 4
    54
    Correct
    Wrong
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Answer : 4. "54"
Explanation :

Answer: D) 54 Explanation: Here the given Number Puzzle follows a pattern that, Sum of the numbers on the corners on the two squares is same and is equal to 54. i.e, 13 + 15 + 14 + 12 = 54  and 8 + 22 + 9 + 15 = 54

Q: Is steel a compound? 1968 0

  • 1
    TRUE
    Correct
    Wrong
  • 2
    FALSE
    Correct
    Wrong
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Answer : 2. "FALSE"
Explanation :

Answer: B) FALSE Explanation: Steel is not a compound or element. Steel is an alloy of iron and carbon and other elements and hence it is a mixture. Because of its high tensile strength and low cost, it is a major component used in buildings, infrastructure, tools, ships, automobiles, machines, appliances, and weapons.

Q: Express 0.875 and 0.375 as a Fraction. 1968 0

  • 1
    3/11 & 7/11
    Correct
    Wrong
  • 2
    7/9 & 9/13
    Correct
    Wrong
  • 3
    7/8 & 3/8
    Correct
    Wrong
  • 4
    7/9 & 9/11
    Correct
    Wrong
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Answer : 3. "7/8 & 3/8"
Explanation :

Answer: C) 7/8 & 3/8 Explanation: Given 0.875 and 0.375 0.875 :: After decimal point there are 3 digits 875 Now, mutiply and divide 0.875 with 1000 0.875 x 10001000 = 8751000 Now, this can be reduced to fraction 78Therefore, 0.875 as fraction = 78 Similarly, 0.375 ::  After decimal point there are 3 digits 375 Now, mutiply and divide 0.375 with 1000 0.375 x 10001000 = 3751000Now, this can be reduced to fraction 38Therefore, 0.375 as fraction = 38

Q: Every year before the festive season, a brand store increases the price of the product by 42% and then introduce two successive discount of 10% and 11% respectively. What is percentage loss and percentage gain ? 1967 0

  • 1
    3.25% loss
    Correct
    Wrong
  • 2
    13.742% loss
    Correct
    Wrong
  • 3
    3.25% gain
    Correct
    Wrong
  • 4
    13.742% gain
    Correct
    Wrong
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Answer : 4. "13.742% gain"
Explanation :

Answer: D) 13.742% gain Explanation: Let CP = 100,42 % increase => SP = 14210 % discount in SP => ((142 x 10)/100) = 14.2So 1st SP = (142 - 14.2) = 127.8, again 12 % discount in 1st SP ((127.8 x 11)/100) = 14.0582nd SP = (127.8 - 14.058) = 113.742, So finally CP = 100, SP = 113.742, => gain = 13.742%.

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