GATE Practice Question and Answer

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Answer : 2. "90"
Explanation :

Answer: B) 90 Explanation: Let number of 2 wheelers be 'x'and 4 wheelers be 'y' Given total number of vehicles = 200i.e, x + y = 200 ....(1) Given total number of wheels = 580i.e, 2x + 4y = 580 ...(2) By solving (1)&(2), we get y = 90=> x = 110 Therefore, number of two wheelers = 110number of four wheelers = 90

Q: A thief goes away with a MARUTHI car at a speed of 40 kmph. The theft has been discovered after half an hour and the owner sets off in a bike at 50 kmph when will the owner over take the thief from the start ? 8265 0

  • 1
    2 hrs 10 min
    Correct
    Wrong
  • 2
    2 hrs
    Correct
    Wrong
  • 3
    2 hrs 5 min
    Correct
    Wrong
  • 4
    2 hrs 30 min
    Correct
    Wrong
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Answer : 2. "2 hrs"
Explanation :

Answer: B) 2 hrs Explanation: |-----------20--------------------|50                           40 Difference = 20kms Relative Speed = 50 – 40 = 10 kmph Time = 20/10 = 2 hours.

Q: How many days are there in k weeks k days ? 8017 0

  • 1
    8+k days
    Correct
    Wrong
  • 2
    7+1k days
    Correct
    Wrong
  • 3
    8k days
    Correct
    Wrong
  • 4
    7/k days
    Correct
    Wrong
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Answer : 3. "8k days"
Explanation :

Answer: C) 8k days Explanation: As we know that a week has 7 days, k weeks k days = (7k + k) days = 8k days.

Q: Which city is known as 'Gold capital of the world' ? 7996 1

  • 1
    Johannesburg
    Correct
    Wrong
  • 2
    Paris
    Correct
    Wrong
  • 3
    Dubai
    Correct
    Wrong
  • 4
    Saudi
    Correct
    Wrong
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Answer : 1. "Johannesburg"
Explanation :

Answer: A) Johannesburg Explanation:

Q: What do you understand by - 'If K is there L has to be there' 7990 0

  • 1
    K & L will always be together
    Correct
    Wrong
  • 2
    K is not there, then L will not be there
    Correct
    Wrong
  • 3
    k is there, then L will also be there
    Correct
    Wrong
  • 4
    K & L will always be not together
    Correct
    Wrong
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Answer : 3. "k is there, then L will also be there"
Explanation :

Answer: C) k is there, then L will also be there Explanation: This would not mean that K and L will always be together. It just implies that, if K is there, then L will also be there. At the same time, it can happen that L is there but K isn't. Remember, the condition is on K, not on L.

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Answer : 3. "155"
Explanation :

Answer: C) 155 Explanation: Let the number of failed students be x => Number of passed students = 4x  So total number of students was 5x From the given data, If total number of students be 5x – 35 => 4x-35-9/x+9 = 2/1 => 4x – 44 = 2(x + 9) => 4x – 2x = 18 + 44 => x = 31 Total number = 31×5 = 155

Q: In latest generation computers, the instructions are executed 7910 0

  • 1
    Sequentially only
    Correct
    Wrong
  • 2
    Both sequentially and parallelly
    Correct
    Wrong
  • 3
    Parallelly only
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 2. "Both sequentially and parallelly"
Explanation :

Answer: B) Both sequentially and parallelly Explanation:

Q: In a certain language, SUPERMAN is coded as TTQDSLBM. How is SPIDERMAN coded in that language ? 7848 0

  • 1
    TOJCFQNZO
    Correct
    Wrong
  • 2
    TOJCFSLBM
    Correct
    Wrong
  • 3
    TOJCFONZO
    Correct
    Wrong
  • 4
    TOJCOSLBM
    Correct
    Wrong
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Answer : 1. "TOJCFQNZO"
Explanation :

Answer: A) TOJCFQNZO Explanation: There is two sequence. S(odd) P(Even) I(odd) D(even) E(odd) R(even) M(odd) A(even) N(odd)For odd sequence, we want to write next alphabet of thatand for even, we want to write previous alphabet of that. TOJCFQNZO is the Answer.

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