GATE Practice Question and Answer

Q: рдЪреБрдВрдмрдХреАрдп рдбрд┐рд╕реНрдХ рдХреА рднрдВрдбрд╛рд░рдг рдХреНрд╖рдорддрд╛ рдирд┐рд░реНрднрд░ рдХрд░рддреА рд╣реИ 5482 2

  • 1
    рдбрд┐рд╕реНрдХ рд╕рддрд╣ рдореЗрдВ рдбрд┐рд╕реНрдХ рдкреИрдХ
    Correct
    Wrong
  • 2
    рд╕рддрд╣ рдХреЗ рдкреНрд░рддрд┐ рдЗрдВрдЪ рдЯреНрд░реИрдХ
    Correct
    Wrong
  • 3
    рдкрдЯрд░рд┐рдпреЛрдВ рдХреЗ рдкреНрд░рддрд┐ рдЗрдВрдЪ рдмрд┐рдЯреНрд╕
    Correct
    Wrong
  • 4
    рдЗрд╕рдореЗ рд╕реЗ рдХреЛрдИ рдирд╣реАрдВ
    Correct
    Wrong
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Answer : 4. "рдЗрд╕рдореЗ рд╕реЗ рдХреЛрдИ рдирд╣реАрдВ"
Explanation :

Answer: D) рдЙрдкрд░реЛрдХреНрдд рд╕рднреА рд╡реНрдпрд╛рдЦреНрдпрд╛: рдореИрдЧреНрдиреЗрдЯрд┐рдХ рдбрд┐рд╕реНрдХ рдПрдХ рддрд░рд╣ рдХрд╛ рдбреЗрдЯрд╛ рд╕реНрдЯреЛрд░реЗрдЬ рдбрд┐рд╡рд╛рдЗрд╕ рд╣реИред рдЪреБрдВрдмрдХреАрдп рдбрд┐рд╕реНрдХ рдХреА рднрдВрдбрд╛рд░рдг рдХреНрд╖рдорддрд╛ рдЗрд╕ рдкрд░ рдирд┐рд░реНрднрд░ рдХрд░рддреА рд╣реИ 1. рд╕рддрд╣ рдХреЗ рдкреНрд░рддрд┐ рдЗрдВрдЪ рдЯреНрд░реИрдХ 2. рдЯреНрд░реИрдХ рдХреЗ рдмрд┐рдЯ рдкреНрд░рддрд┐ рдЗрдВрдЪ 3. рдбрд┐рд╕реНрдХ рд╕рддрд╣ рдореЗрдВ рдбрд┐рд╕реНрдХ рдкреИрдХ рдЗрд╕реЗ рдЗрд╕ рдкреНрд░рдХрд╛рд░ рджрд┐рдЦрд╛рдпрд╛ рдЬрд╛ рд╕рдХрддрд╛ рд╣реИ:

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Answer : 1. "20%"
Explanation :

Answer: A) 20% рд╕реНрдкрд╖реНрдЯреАрдХрд░рдг: рдЕрдВрдЧреНрд░реЗрдЬреА рдореЗрдВ рдЙрддреНрддреАрд░реНрдг рдЫрд╛рддреНрд░реЛрдВ рдХрд╛ рдкреНрд░рддрд┐рд╢рдд = 60% рд╣рд┐рдВрджреА рдореЗрдВ рдЙрддреНрддреАрд░реНрдг рдЫрд╛рддреНрд░реЛрдВ рдХрд╛ рдкреНрд░рддрд┐рд╢рдд = 45% рджреЛрдиреЛрдВ рд╡рд┐рд╖рдпреЛрдВ рдореЗрдВ рдЙрддреНрддреАрд░реНрдг рдЫрд╛рддреНрд░реЛрдВ рдХрд╛ рдкреНрд░рддрд┐рд╢рдд = 25% рдПрдЯреАрдХреНрдпреВ, рдХреЗрд╡рд▓ рдЕрдВрдЧреНрд░реЗрдЬреА рдореЗрдВ рдЙрддреНрддреАрд░реНрдг рдЫрд╛рддреНрд░реЛрдВ рдХрд╛ рдкреНрд░рддрд┐рд╢рдд = 60 - 25 = 35% рдХрд╛ рдкреНрд░рддрд┐рд╢рдд рд╡рд┐рджреНрдпрд╛рд░реНрдереА рдХреЗрд╡рд▓ рд╣рд┐рдВрджреА рдореЗрдВ рдЙрддреНрддреАрд░реНрдг рд╣реБрдП = 45 - 25 = 20% рдЗрд╕рд▓рд┐рдП, рдЕрдиреБрддреНрддреАрд░реНрдг рдЫрд╛рддреНрд░реЛрдВ рдХрд╛ рдкреНрд░рддрд┐рд╢рдд = 100 - (35 + 25 + 20) = 100 - 80 = 20%ред

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Answer : 3. "Convex"
Explanation :

Answer: C) Convex Explanation: Convex mirror is used as rear view mirror in vehicles. Because the image is smaller, more image can fit onto the mirror, so a convex mirror provides for a larger field of view than a plane mirror. This is why they are useful.

Q: What was the day of the week on 17th June, 1998 ? 5534 7

  • 1
    Monday
    Correct
    Wrong
  • 2
    Tuesday
    Correct
    Wrong
  • 3
    Wednesday
    Correct
    Wrong
  • 4
    Friday
    Correct
    Wrong
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Answer : 3. "Wednesday"
Explanation :

Answer: C) Wednesday Explanation: 17th June, 1998 = (1997 years + Period from 1.1.1998 to 17.6.1998)Odd days in 1600 years = 0Odd days in 300 years = 197 years has 24 leap years + 73 ordinary years.Number of odd days in 97 years ( 24 x 2 + 73) = 121 = 2 odd days.Jan. Feb. March. April. May. June.(31 + 28 + 31 + 30 + 31 + 17) = 168 days168 days = 24 weeks = 0 odd day.Total number of odd days = (0 + 1 + 2 + 0) = 3.Given day is Wednesday.

Q: If the third day of a month is Tuesday, which of the following would be the 4th day before the 27th day of that month? 3303 1

  • 1
    Tuesday
    Correct
    Wrong
  • 2
    Monday
    Correct
    Wrong
  • 3
    Wednesday
    Correct
    Wrong
  • 4
    Sunday
    Correct
    Wrong
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Answer : 2. "Monday"
Explanation :

Answer: B) Monday Explanation: Dates on which Tuesday fall are 3,10,17, and 24 ┬а Hence, the 27th day of the month will be (Tuesday + 3 days=)Friday ┬а Required day of the month = Friday - 4 = Monday

Q: What should come next in the following number series? 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 7 6 5 4 3 2 1 2058 0

  • 1
    9
    Correct
    Wrong
  • 2
    8
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    6
    Correct
    Wrong
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Answer : 4. "6"
Explanation :

Answer: D) 6 Explanation: Here the series is: ┬а 987654321, 87654321, 7654321, 65...

Q: The purest form of iron is 1786 0

  • 1
    wrought iron
    Correct
    Wrong
  • 2
    steel
    Correct
    Wrong
  • 3
    pig iron
    Correct
    Wrong
  • 4
    nickel steel
    Correct
    Wrong
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Answer : 1. "wrought iron"
Explanation :

Answer: A) wrought iron Explanation: Wrought Iron┬аis the purest form of iron. It contains 0.12 to 0.25% carbon and so it is the purest form of iron.

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Answer : 3. "118.08L"
Explanation :

Answer: C) 118.08L Explanation: The amount of petrol left after 4 operations┬а┬а =┬а200┬а├Ч┬а1-402004┬а┬а =┬а200┬а├Ч┬а454┬а┬а =┬а200┬а├Ч┬а256625┬а┬а = 81.92 litres ┬а Hence the amount of kerosene = 200 - 81.92 = 118. 08 litres

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