GATE Practice Question and Answer

Q: "Good Samaritan Policy" has been launched by which state / union territory government? 4065 0

  • 1
    Delhi
    Correct
    Wrong
  • 2
    Karnataka
    Correct
    Wrong
  • 3
    Telangana
    Correct
    Wrong
  • 4
    Gujarath
    Correct
    Wrong
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Answer : 1. "Delhi"
Explanation :

Answer: A) Delhi Explanation: The Delhi government has recently approved 'Good Samaritan Policy' under which monetary incentive of Rs 2,000 and appreciation certificate will be given to people who help road accident victims in the national capital. The scheme is intended to encourage people to take accident victims in emergency situation to hospitals so that someone’s life could be saved.

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Answer : 4. "20 years"
Explanation :

Answer: D) 20 years Explanation: Present total age of the members = 26(5) = 130 years.   Present age of the youngest member = 10 years   Present total age of the remaining four members = 130 -10 = 120 years   Their average age at the time of the birth of the youngest member = 120-4×104 = 30 - 10 = 20 years.

Q: In a certain code language, 'how can you go' is written as 'ja da ka pa', 'can you come here' is written as 'na ka sa ja' and 'cone and go' is written as 'ra pa sa'. How is 'here' written in that code ? 4052 0

  • 1
    na
    Correct
    Wrong
  • 2
    ja
    Correct
    Wrong
  • 3
    sa
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 1. "na"
Explanation :

Answer: A) na Explanation: From the given information : how can you go = ja da ka pa....(1)can you come here = na ka sa ja...(2)come and go = ra pa sa....(3)from (1)&(2), can you = ja ka...(4)from (2)&(3), come = sa...(5)Using (4)&(5) in (2), we get here = na.

Q: In a mens hostel, there were 95 students. To accommodate 30 more students the average is decreased by rupees 5. But total expenditure increased by Rs.500. Find the total expenditure of the hostel now ? 4047 0

  • 1
    Rs. 4680
    Correct
    Wrong
  • 2
    Rs. 4420
    Correct
    Wrong
  • 3
    Rs. 4960
    Correct
    Wrong
  • 4
    Rs. 5480
    Correct
    Wrong
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Answer : 1. "Rs. 4680"
Explanation :

Answer: A) Rs. 4680 Explanation: Let the expenditure on the 95 students be 'x' Then, 95x + 500 = 120(x – 5)95x + 500 = 120x - 600120x - 95x = 110025x = 1100=> x = 44 Therefore, total expenditure of the hostel becomes95 x 44 + 500 = 4680.

Q: A can write 32 pages in 6 hours and B can write 40 pages in 5 hours. If they write together, in how many hours they can write 110 pages ? 4012 0

  • 1
    7 hrs
    Correct
    Wrong
  • 2
    6 hrs 10 min
    Correct
    Wrong
  • 3
    5 hrs 25min
    Correct
    Wrong
  • 4
    8 hrs 15 min
    Correct
    Wrong
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Answer : 4. "8 hrs 15 min"
Explanation :

Answer: D) 8 hrs 15 min Explanation: A can write in 1hour = 32/6 pages Similarly, B in 1 hour = 40/5 pages Together (A+B) in 1 hour = 32/6 + 40/5 = 40/3 So, A+B write 40/3 pages in 1 hour A+B write 110 pages in (3/40) x 110 Hours = 8 hours 15 min.

Q: In an objective competitive exam, a correct answer score 4 marks and on a wrong answer 2 marks are negatively added. A student scores 420 marks from 150 question. How many answers were correct ? 3992 0

  • 1
    145
    Correct
    Wrong
  • 2
    138
    Correct
    Wrong
  • 3
    125
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 4. "120"
Explanation :

Answer: D) 120 Explanation: let x be the correct answer and y be the wrong answerso the total number of questions is (x + y) = 150.....(1)=> 4x - 2y = 420.....(2)By solving (1) & (2), we get => 6x = 720hence x = 120Therefore, number of correct answers are 120.

Q: Central processing unit is combination of 3976 0

  • 1
    Arithmetic and Control unit
    Correct
    Wrong
  • 2
    Control and Output unit
    Correct
    Wrong
  • 3
    Control and Storage unit
    Correct
    Wrong
  • 4
    Arithmetic logic and input unit
    Correct
    Wrong
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Answer : 1. "Arithmetic and Control unit"
Explanation :

Answer: A) Arithmetic and Control unit Explanation:

Q: Two trains of equal length, running with the speeds of 60 and 40 kmph, take 50 seconds to cross each other while they are running in the same direction. What time will they take to cross each other if they are running in opposite directions  ? 3975 0

  • 1
    10 sec
    Correct
    Wrong
  • 2
    11 sec
    Correct
    Wrong
  • 3
    12 sec
    Correct
    Wrong
  • 4
    8 sec
    Correct
    Wrong
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Answer : 1. "10 sec"
Explanation :

Answer: A) 10 sec Explanation: Relative Speed = 60 -40 = 20 x 5/18 = 100/18 Time = 50 Distance = 50 x 100/18 = 2500/9 Relative Speed = 60 + 40 = 100 x 5/18 Time = 2500/9 x 18/500 = 10 sec.

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