GRE Practice Question and Answer

Q: Correct underlined words if necessary in the following sentence ? Have you been more careful, the accident could have been averted. 4383 0

  • 1
    Have you been
    Correct
    Wrong
  • 2
    If you have been
    Correct
    Wrong
  • 3
    Had you been
    Correct
    Wrong
  • 4
    If you could have been
    Correct
    Wrong
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Answer : 3. "Had you been"
Explanation :

Answer: C) Had you been Explanation: As the sentence talks about the past it is apt to say. 'Had you been more careful ...'.

Q: Essential Part for the given word from the following options. Respiration 3965 0

  • 1
    Oxygen
    Correct
    Wrong
  • 2
    Carbon monoxide
    Correct
    Wrong
  • 3
    Mouth
    Correct
    Wrong
  • 4
    Circulation
    Correct
    Wrong
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Answer : 1. "Oxygen"
Explanation :

Answer: A) Oxygen Explanation: A person or animal must take in oxygen for respiration to occur. A mouth (choice a) is not essential because breathing can occur through the nose. Choices b and d are clearly not essential and can be ruled out.

Q: Find at what time between 9 and 10 o’clock will the hands of a clock be in 180° ? 849 0

  • 1
    180/14 min past 10
    Correct
    Wrong
  • 2
    180/11 min past 9
    Correct
    Wrong
  • 3
    148/7 min past 10
    Correct
    Wrong
  • 4
    154/11 min past 9
    Correct
    Wrong
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Answer : 2. "180/11 min past 9"
Explanation :

Answer: B) 180/11 min past 9 Explanation: At 9 o’clock, the hour hand is at 9 and the minutes hand is at 12, i.e., the two hands are 15 min. spaces apart.So, the minute hand should gain = (30 - 15) minutes = 15 minutes55 minutes will be gained in 60 min.15 minutes spaces will be gained in ((60/55) x 15) min. = 180/11 min.The hands will be in the same straight line but not together i.e.,in 180 degrees at 180/11 min. past 9.

Q: How much does a clock lose per day, if its hands coincide ever 65 minutes ? 2070 0

  • 1
    1440/143 min
    Correct
    Wrong
  • 2
    184/13 min
    Correct
    Wrong
  • 3
    1425/18 min
    Correct
    Wrong
  • 4
    541/9 min
    Correct
    Wrong
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Answer : 3. "1425/18 min"
Explanation :

Answer: C) 1425/18 min Explanation: 55 min. spaces are covered in 60 min.60 min. spaces are covered in ((60/55) x 60) min = 720/11 min.Loss in 65 min. = (720/11 - 65 ) = 5/11Loss in 24 hrs = (5/11 x 1/65 x 24 x 60)min = 1440/143 min.

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Answer : 4. "A, B, P, U, S"
Explanation :

Answer: D) A, B, P, U, S Explanation: From the given information;  Members   Sex    Profession        A         M          Advocate     Q         F           Doctor     B         M          Advocate     R         F           Advocate     C         M          Doctor     S         F           Doctor     D         M          Doctor     T         F           Teacher     E         M          Teacher     U         F           Teacher     P         F           Doctor  Answer (D)  From option (D) A and B are two male advocates, P and S are two female doctors and u is female teacher.

Q: If the age of father is 4 years greater than the mother and 28 years greater than the son,then what is the age of the father? which one should be used to calculate the age ? 831 0

  • 1
    mother/son = Non-prime number
    Correct
    Wrong
  • 2
    mother/son = Perfect square number A) only A alone is sufficient B) only B alone is sufficient
    Correct
    Wrong
  • 3
    both A and B are required
    Correct
    Wrong
  • 4
    A) only A alone is sufficient B) only B alone is sufficient C) both A and B are required D)
    Correct
    Wrong
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Answer : 2. "mother/son = Perfect square number A) only A alone is sufficient B) only B alone is sufficient"
Explanation :

Answer: B) only B alone is sufficient Explanation: For the given problem there are three possiblities.Father's age can be = 36, 31, 29Mother's age = 32, 27, 25Son's age = 8, 3, 1. By using only B it can be calculated.

Q: Three of the following four are alike in certain way and hence form a group. Which one of the following does not belong to that group ? 7512 0

  • 1
    BHF
    Correct
    Wrong
  • 2
    LDJ
    Correct
    Wrong
  • 3
    OKG
    Correct
    Wrong
  • 4
    ZTY
    Correct
    Wrong
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Answer : 3. "OKG"
Explanation :

Answer: C) OKG Explanation: OKGRemaining all are not in series only OKG is in series of(15,11,7) Here it follows the random difference of '4'.

Q: Solve the equation 122x+1 = 1 ? 4049 0

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

Answer: A) -1/2 Explanation: Rewrite equation as 122x+1 = 120   Leads to 2x + 1 = 0    Solve for x : x = -1/2

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