GRE Practice Question and Answer

Q: Which vehicle is spelled the same forwards and backwards? 1970 0

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Answer :
Explanation :

Racecar and Civic are the two vehicles which spelled the same forwards an backwards.

Q: A batsman scored 180 runs which included 11 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets ? 1970 0

  • 1
    62.45%
    Correct
    Wrong
  • 2
    51.42%
    Correct
    Wrong
  • 3
    48.88%
    Correct
    Wrong
  • 4
    47.32%
    Correct
    Wrong
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Answer : 3. "48.88%"
Explanation :

Answer: C) 48.88% Explanation: Number of runs made by running = 180 - (11 x 4 + 8 x 6)= 180 - (92)= 88Now, we need to calculate 88 is what percent of 180.⇒88180×100  = 48.888%.

Q: A line is an undefined term because it 1968 0

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Answer :
Explanation :

A line is an undefined term because of it :   1. Contains an infinite number of points 2. can be used to create other geometric shapes 3. is a term that does not have a formal definition   In Geometry, unless it's stated, a line will extend in one dimension and goes on forever in both ways.

Q: An object that has kinetic energy must be 1961 0

  • 1
    At an elevated position
    Correct
    Wrong
  • 2
    Falling
    Correct
    Wrong
  • 3
    At rest
    Correct
    Wrong
  • 4
    Moving
    Correct
    Wrong
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Answer : 4. "Moving"
Explanation :

Answer: D) Moving Explanation: In physics, we know that the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Hence, An object that has kinetic energy must be in motion i.e, moving.

Q: Salaries of Karthik, Arun and Akhil were in the ratio 4 : 5 : 6 respectively. If their salaries were increased by 50 per cent, 60 per cent and 50 per cent respectively, what will be the new ratio of the salaries of Akhil, Arun and Karthik ? 1961 0

  • 1
    6 : 8 : 9
    Correct
    Wrong
  • 2
    8 : 6 : 9
    Correct
    Wrong
  • 3
    9 : 8 : 6
    Correct
    Wrong
  • 4
    6 : 5 : 4
    Correct
    Wrong
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Answer : 3. "9 : 8 : 6"
Explanation :

Answer: C) 9 : 8 : 6 Explanation: Given the salaries are in the ratio of 4 : 5 : 6   Now the salaries are increased by 50%, 60% and 50% respectively   The New ratio of salaries will be   4 x (150/100) : 5 x (160/100) : 6 x (150/100)   = 6 : 8 : 9   The new ratio of salaries of Akhil, Arun and Karthik is 9 : 8 : 6

Q: Which country shares the longest border with China? 1960 0

  • 1
    India
    Correct
    Wrong
  • 2
    Russia
    Correct
    Wrong
  • 3
    Mongolia
    Correct
    Wrong
  • 4
    Kazakhstan
    Correct
    Wrong
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Answer : 3. "Mongolia"
Explanation :

Answer: C) Mongolia Explanation: China shares land borders with 14 different countries, the longest being with Mongolia followed by Russia and then India.

Q: If y/(x - z) = (y + x)/z = x/y then find z : y : x ? 1955 0

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

Answer: B) 3:2:4 Explanation: Given, y/(x - z) = (y + x)/z = x/yyz = xy + x2 - yz - xz ....(1)Also xy = yx-z ⇒x2 -xz = y2 ....(2)Using (1) and (2), we get yz = xy - yz + y22yz = xy + y22z = x + y Only option (B) satisfies the equation.

Q: Bind it and it walks, Loose it and it stops. What is it? 1953 0

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Answer :
Explanation :

A Sandal. It has sticking strips to make them fit for our feet. If you bind them only you can start walking or other wise it comes out.

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