GATE Practice Question and Answer

Q: Find the correct sentence from the following options ? 2571 0

  • 1
    The dacoits having stopped to divide the booty, the police had overtaken them
    Correct
    Wrong
  • 2
    The dacoits being stopped to divide the booty, the police overtook them.
    Correct
    Wrong
  • 3
    The dacoits having been stopped for dividing the booty, the police overtook them
    Correct
    Wrong
  • 4
    The dacoits having stopped for dividing the booty, the police overtook them
    Correct
    Wrong
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Answer : 4. "The dacoits having stopped for dividing the booty, the police overtook them"
Explanation :

Answer: D) The dacoits having stopped for dividing the booty, the police overtook them Explanation: As it is the past continuous sentence.

Q: Which of the following is not an Input device? 2570 0

  • 1
    Joystick
    Correct
    Wrong
  • 2
    Headphones
    Correct
    Wrong
  • 3
    Mouse
    Correct
    Wrong
  • 4
    Scanner
    Correct
    Wrong
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Answer : 2. "Headphones"
Explanation :

Answer: B) Headphones Explanation: Here Joystick, Mouse and Scanner are Input devices through which data is given to the computers. But Headphones are output devices through which sound comes as an output from the computer or any devices.

Q: If Theresa's daughter is my daughter's mother, what am I to Theresa? 2570 0

  • 1
    Son-in-law
    Correct
    Wrong
  • 2
    Daughter-in-law
    Correct
    Wrong
  • 3
    Grand mother
    Correct
    Wrong
  • 4
    Grand Daughter
    Correct
    Wrong
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Answer : 1. "Son-in-law"
Explanation :

Answer: A) Son-in-law Explanation: Given that If Theresa's daughter is my daughter's mother It has 2 ways of Answers such that it depends on the sex of me. That is Male or Female.   1) If I am a Male : My daughter's mother is my wife. My wife is Teresa's daughter => I am Teresa's Son-in-law.   2) If I am a Female : My daughter's mother is myself. Myself Teresa's daughter. => I am Teresa's Daughter.   But in the given options only Son-in-law is available and daughter is not given.   So, Son-in-law is correct.

Q: A man walks 6 km at a speed of 112kmph, runs 8 km at a speed of 2 kmph and goes by bus another 32 km. Speed of the bus is 8 kmph. Find the average speed of the man in kmph. 2570 0

  • 1
    4314
    Correct
    Wrong
  • 2
    4213
    Correct
    Wrong
  • 3
    2413
    Correct
    Wrong
  • 4
    3414
    Correct
    Wrong
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Answer : 2. "4213"
Explanation :

Answer: B) Option B Explanation: Man walked 6 km at 1.5 kmph, again he walked 8 km at speed of 2 kmph and 40 km at a speed of 8kmphtime taken indivisually: => 6/1.5 = 4 m=> 8/2 = 4 m=> 40/8 = 5 m   Average speed of man= total distance/ total time=> 54/13 = 4213 kmph

Q: A water tank in a village is normally filled in 8 hours but takes 2 hours longer to fill because of a leak in its bottom. If the tank is full, in how many hrs will the leak empty it ? 2570 0

  • 1
    34 hrs
    Correct
    Wrong
  • 2
    36 hrs
    Correct
    Wrong
  • 3
    38 hrs
    Correct
    Wrong
  • 4
    40 hrs
    Correct
    Wrong
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Answer : 4. "40 hrs"
Explanation :

Answer: D) 40 hrs Explanation: The time taken by the leak to empty the tank = 18 - 110 = 5 - 440 = 140 Therefore, the leak empties the tank in 40 hours.

Q: The average age of a couple is 24 years when they were married five years ago but now the average age of the husband, wife and child is 20 years(the child was born during the interval). What is the present age of the child ? 2566 0

  • 1
    2 yrs
    Correct
    Wrong
  • 2
    4 yrs
    Correct
    Wrong
  • 3
    3 yrs
    Correct
    Wrong
  • 4
    5 yrs
    Correct
    Wrong
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Answer : 1. "2 yrs"
Explanation :

Answer: A) 2 yrs Explanation: 29 x 2 = 5820 x 3 = 60         -----------               2 years Therefore, the age of child is 2 years.

Q: Find the odd term from the given series of numbers  ? 125, 127, 130, 135, 142, 153, 165 ? 2566 0

  • 1
    153
    Correct
    Wrong
  • 2
    165
    Correct
    Wrong
  • 3
    142
    Correct
    Wrong
  • 4
    127
    Correct
    Wrong
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Answer : 2. "165"
Explanation :

Answer: B) 165 Explanation: From the beginning, the next term comes by adding prime numbers in a sequence of 2, 3, 5, 7, 9, 11, 13... to its previous term. But 165 will not be in the series as it must be replaced by 166 since 153+13 = 166.

Q: Find the odd man out of the following number sequence? 3, 5, 13, 43, 167 2564 0

  • 1
    167
    Correct
    Wrong
  • 2
    43
    Correct
    Wrong
  • 3
    13
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 1. "167"
Explanation :

Answer: A) 167 Explanation: The given number series is 3, 5, 13, 43, 167 3 3 x 1 + 2 = 5 5 x 2 + 3 = 13 13 x 3 + 4 = 43 43 x 4 + 5 = 177 (not equal to 167)   Hence, the odd number in the given number sequence is 167.

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