GATE Practice Question and Answer

Q: India’s first multi-modal electric vehicle project has launched in which city  ? 1428 0

  • 1
    Jaipur
    Correct
    Wrong
  • 2
    Nagpur
    Correct
    Wrong
  • 3
    Shimla
    Correct
    Wrong
  • 4
    New Delhi
    Correct
    Wrong
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Answer : 2. "Nagpur"
Explanation :

Answer: B) Nagpur Explanation: India’s first multi-modal electric vehicle project has been inaugurated by the Union Road Transport and Highways Minister Nitin Gadkari, along with Maharashtra Chief Minister Devendra Fadnavis at the Nagpur Airport Complex to promote eco-friendly transport. With this, Nagpur became the first city in India to have electric mass mobility system with a fleet of 200 electric vehicles, including taxis, buses, e-rickshaw and autos.

Q: If two dice are thrown together, the probability of getting an even number on one die and an odd number on the other is  ? 1428 0

  • 1
    1
    Correct
    Wrong
  • 2
    1/2
    Correct
    Wrong
  • 3
    0
    Correct
    Wrong
  • 4
    3/5
    Correct
    Wrong
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Answer : 2. "1/2"
Explanation :

Answer: B) 1/2 Explanation: The number of exhaustive outcomes is 36.Let E be the event of getting an even number on one die and an odd number on the other. Let the event of getting either both even or both odd then = 18/36 = 1/2P(E) = 1 - 1/2 = 1/2.

Q: Praveena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest ? 1427 0

  • 1
    6
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    9
    Correct
    Wrong
  • 4
    11
    Correct
    Wrong
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Answer : 1. "6"
Explanation :

Answer: A) 6 Explanation: Let rate = R% and time = R years.   Then, (1200 x R x R) / 100 = 432   => R = 6.

Q: Everyone has it and no one can lose it. What is it? 1425 0

  • 1
    Face
    Correct
    Wrong
  • 2
    Teeth
    Correct
    Wrong
  • 3
    Hair
    Correct
    Wrong
  • 4
    Shadow
    Correct
    Wrong
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Answer : 4. "Shadow"
Explanation :

Answer: D) Shadow Explanation:

Q: Find which of the two conclusions I and II given below is/are definitely true from the the given statements.   Statements: I > W > T > N, I = F = G = C   Conclusions:    I. W > I                                           II. C > N 1424 0

  • 1
    Only Conclusion I is true
    Correct
    Wrong
  • 2
    Only Conclusion II is true
    Correct
    Wrong
  • 3
    Both conclusions I & II are true
    Correct
    Wrong
  • 4
    Neither conclusion I nor II is true
    Correct
    Wrong
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Answer : 2. "Only Conclusion II is true"
Explanation :

Answer: B) Only Conclusion II is true Explanation: From the given Statements :   1. I > W > T > N  2. F = G = C  Conclusions are :   I. W > I (False)  II. C > N (True)

Q: Which of the following is a polymer? 1424 0

  • 1
    Glycerol
    Correct
    Wrong
  • 2
    Amino acid
    Correct
    Wrong
  • 3
    Nucleic acid
    Correct
    Wrong
  • 4
    Fatty acid
    Correct
    Wrong
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Answer : 3. "Nucleic acid"
Explanation :

Answer: C) Nucleic acid Explanation: Nucleic acid is a polymer among the given options.

Q: A boat whose speed in still water is 9 kmph, goes 12 km downstream and comes back in 3 hrs. Find the speed of the stream? 1423 0

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

Answer: B) 3 kmph Explanation: Let the speed of the stream = x kmph   From the given data,    129+x+129-x=3 hrs 3x2 = 27   => x = 3 kmph   Therefore, the speed of the stream = 3 kmph

Q: An automobile financier claims to be lending money at S.I., but he includes the interest every six months for calculating the principal. If he is charging an interest of 8%, the effective rate of interest becomes ? 1423 0

  • 1
    10.25 %
    Correct
    Wrong
  • 2
    8.16 %
    Correct
    Wrong
  • 3
    9.63 %
    Correct
    Wrong
  • 4
    0.16 %
    Correct
    Wrong
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Answer : 2. "8.16 %"
Explanation :

Answer: B) 8.16 % Explanation: Let the sum be Rs. 100. Then,S.I. for first 6 months = (100 x 8 x 1) / (100 x 2) = Rs. 4S.I. for last 6 months = (104 x 8 x 1) / (100 x 2) = Rs. 4.16So, amount at the end of 1 year = (100 + 4 + 4.16) = Rs. 108.16Effective rate = (108.16 - 100) = 8.16%.

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